{"id":15327,"date":"2021-08-09T08:12:18","date_gmt":"2021-08-09T02:42:18","guid":{"rendered":"http:\/\/www.pythonpool.com\/?p=15327"},"modified":"2021-08-09T08:13:46","modified_gmt":"2021-08-09T02:43:46","slug":"stringbuilder-python","status":"publish","type":"post","link":"https:\/\/www.pythonpool.com\/stringbuilder-python\/","title":{"rendered":"Is There Any StringBuilder in Python?"},"content":{"rendered":"\n<p>Here we are going to see about there is any StringBuilder available in python. In C and Java programming, there is a StringBuilder. But we don&#8217;t have a built-in StringBuilder in Python. We can use string.join(), string concatenation, append, and string IO module to do this. The string builder in Java and C programming creates a mutable string and allows dynamic memory allocation.<\/p>\n\n\n\n<p><strong>A string is a collection of characters in Python. It is an immutable object that is an unchangeable string. We have to allocate new memory for every string. But using string builder, we can change the objects,<\/strong>&nbsp;<strong>so StringBuilder is mutable. In the latest versions of python, we are allowed to create a long string, and that is known as StringBuilder.<\/strong><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #990303;color:#990303\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #990303;color:#990303\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Difference_between_String_and_StringBuilder\" >Difference between String and StringBuilder<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#4_Ways_to_Create_a_StringBuilder_in_Python\" >4 Ways to Create a StringBuilder in Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#1_Using_join_Function_to_Create_StringBuilder_in_Python\" >1. Using join Function to Create StringBuilder in Python<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#11_Using_join_function_without_using_loops_to_Create_StringBuilder_in_Python\" >1.1 Using join function without using loops to Create StringBuilder in Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#What_is_join_function\" >What is join() function?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Syntax\" >Syntax<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Parameter\" >Parameter<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Return\" >Return<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#12_Using_join_function_in_loops_to_Create_StringBuilder_in_Python\" >1.2 Using join function in loops to Create StringBuilder in Python<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#2_Using_String_Concatenation_to_Create_StringBuilder_in_Python\" >2. Using String Concatenation to Create StringBuilder in Python<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Syntax-2\" >Syntax<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Parameter-2\" >Parameter<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Returns\" >Returns<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Code\" >Code<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#3_Using_the_append_Function_to_Create_StringBuilder_in_Python\" >3. Using the append() Function to Create StringBuilder in Python<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Syntax-3\" >Syntax<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Parameter-3\" >Parameter<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Return-2\" >Return<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#4_Using_the_String_IO_module_to_Create_StringBuilder_in_Python\" >4. Using the String IO module to Create StringBuilder in Python<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#41_Using_without_class\" >4.1 Using without class<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#42_Using_class\" >4.2 Using class<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Frequently_Asked_Questions_Related_to_StringBuilder_in_Python\" >Frequently Asked Questions Related to StringBuilder in Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#Trending_Right_Now\" >Trending Right Now<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-difference-between-string-and-stringbuilder\"><span class=\"ez-toc-section\" id=\"Difference_between_String_and_StringBuilder\"><\/span>Difference between String and StringBuilder<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-background\" style=\"background:linear-gradient(135deg,rgb(255,245,203) 0%,rgb(182,227,212) 0%,rgb(51,167,181) 100%)\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>StringStringBuilderIt is a collection of charactersIt is a collection of stringsIt is immutableIt is mutableThe new <a href=\"http:\/\/www.pythonpool.com\/solved-oserror-errno-12-cannot-allocate-memory\/\" target=\"_blank\" rel=\"noopener\">memory is allocated<\/a> every timeAdded with existing string<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-4-ways-to-create-a-stringbuilder-in-python\"><span class=\"ez-toc-section\" id=\"4_Ways_to_Create_a_StringBuilder_in_Python\"><\/span>4 Ways to Create a StringBuilder in Python <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>We can create a custom StringBuilder python using the below functions.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li> join() function<\/li><li>string concatenation<\/li><li>append<\/li><li>string IO module<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-using-join-function-to-create-stringbuilder-in-python\"><span class=\"ez-toc-section\" id=\"1_Using_join_Function_to_Create_StringBuilder_in_Python\"><\/span>1. Using join Function to Create StringBuilder in Python<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-1-using-join-function-without-using-loops-to-create-stringbuilder-in-python\"><span class=\"ez-toc-section\" id=\"11_Using_join_function_without_using_loops_to_Create_StringBuilder_in_Python\"><\/span> 1.1 Using join function without using loops to Create StringBuilder in Python  <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-join-function\"><span class=\"ez-toc-section\" id=\"What_is_join_function\"><\/span>What is join() function?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>join() is a built-in function in python that allows us to join multiple elements using a specific string. This function is much more simple to join the strings. If we want to join the strings without using this function, then this code will get longer. So using the join function will reduce the code length and makes the code legible.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-syntax\"><span class=\"ez-toc-section\" id=\"Syntax\"><\/span>Syntax<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">string.join(iterable)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-parameter\"><span class=\"ez-toc-section\" id=\"Parameter\"><\/span>Parameter<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>iterable-required. Any iterable objects <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-return\"><span class=\"ez-toc-section\" id=\"Return\"><\/span>Return<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>combined string<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: python; title: ; notranslate\" title=\"\">\na=&#x5B;&quot;apple&quot;, &quot;banana&quot;, &quot;grapes&quot;]\nb=&quot;&gt;&quot;\nprint(b.join(a))\n<\/pre><\/div>\n\n\n<p>Here I have to print like apple is greater than banana and banana is greater than grapes. So I&#8217;m using the join function to join both the strings. First, I&#8217;m using variable a to hold the strings. Variable b holds the &gt; symbol. At last, using the join function, both the strings are concatenated.<\/p>\n\n\n\n<p class=\"has-medium-font-size\" id=\"h-output\"><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">apple&gt;banana&gt;grapes<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-2-using-join-function-in-loops-to-create-stringbuilder-in-python\"><span class=\"ez-toc-section\" id=\"12_Using_join_function_in_loops_to_Create_StringBuilder_in_Python\"><\/span>1.2 Using join function in loops to Create StringBuilder in Python <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: python; title: ; notranslate\" title=\"\">\na=&quot;apple&quot;,&quot;banana&quot;,&quot;grapes&quot;\nb=&quot;&gt;&quot;\nfor i in range(3):\n    print(b.join(a))\n<\/pre><\/div>\n\n\n<p>There is nothing different between using with loops and without loops. If we want to print one time, we can print without loops, but we can use for loop if we want to print multiple times.<\/p>\n\n\n\n<p class=\"has-medium-font-size\" id=\"h-output-1\"><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">apple&gt;banana&gt;grapes\napple&gt;banana&gt;grapes\napple&gt;banana&gt;grapes<\/pre>\n\n\n<div class=\"monsterinsights-inline-popular-posts monsterinsights-inline-popular-posts-alpha monsterinsights-popular-posts-styled\" ><div class=\"monsterinsights-inline-popular-posts-text\"><span class=\"monsterinsights-inline-popular-posts-label\" >Trending<\/span><div class=\"monsterinsights-inline-popular-posts-post\"><a class=\"monsterinsights-inline-popular-posts-title\"  href=\"https:\/\/www.pythonpool.com\/fixed-typeerror-cant-compare-datetime-datetime-to-datetime-date\/\">[Fixed] typeerror can&#8217;t compare datetime.datetime to datetime.date<\/a><\/div><\/div><\/div><p><\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-using-string-concatenation-to-create-stringbuilder-in-python\"><span class=\"ez-toc-section\" id=\"2_Using_String_Concatenation_to_Create_StringBuilder_in_Python\"><\/span>2. Using String Concatenation to Create StringBuilder in Python <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>String concatenation means the joining of two or more strings is known as concatenation. The plus(+) operator is used to concatenate strings in python.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-syntax-1\"><span class=\"ez-toc-section\" id=\"Syntax-2\"><\/span>Syntax<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">str1 + str2 +str3<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-parameter-1\"><span class=\"ez-toc-section\" id=\"Parameter-2\"><\/span>Parameter<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>srt1-first string, required                                                                                                                                            str2-second string, required                                                                                                        str3- third string, optional<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-returns\"><span class=\"ez-toc-section\" id=\"Returns\"><\/span>Returns<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>concatenated string<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-code\"><span class=\"ez-toc-section\" id=\"Code\"><\/span><strong>Code<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: python; title: ; notranslate\" title=\"\">\nstr1=&quot;Python&quot;\nstr2=&quot;Pool&quot;\nprint(str1+str2)\n<\/pre><\/div>\n\n\n<p>First, I&#8217;m declaring str1 and str2. str1 contains some strings, and str2 also contains some strings. Now we have to join both the strings. For that, I&#8217;m using the + operator to concatenate the strings.<\/p>\n\n\n\n<p class=\"has-medium-font-size\" id=\"h-output-2\"><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">PythonPool<\/pre>\n\n\n<div class=\"monsterinsights-inline-popular-posts monsterinsights-inline-popular-posts-delta monsterinsights-popular-posts-styled\" ><div class=\"monsterinsights-inline-popular-posts-text\"><span class=\"monsterinsights-inline-popular-posts-icon\" style=\"\"><svg width=\"14\" height=\"19\" viewBox=\"0 0 14 19\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M7.875 0.899463C7.875 1.59183 8.0816 2.24711 8.49479 2.8653C8.93229 3.48349 9.44271 4.06458 10.026 4.60859C10.6337 5.15259 11.2292 5.73369 11.8125 6.35188C12.4201 6.97007 12.9306 7.76135 13.3438 8.72572C13.7812 9.66537 14 10.7163 14 11.8785C14 13.832 13.3073 15.5011 11.9219 16.8858C10.5608 18.2953 8.92014 19 7 19C5.07986 19 3.42708 18.2953 2.04167 16.8858C0.680556 15.5011 0 13.832 0 11.8785C0 9.94973 0.668403 8.28062 2.00521 6.87116C2.27257 6.57443 2.58854 6.50024 2.95312 6.64861C3.31771 6.79697 3.5 7.08134 3.5 7.50171V10.6545C3.5 11.3221 3.71875 11.8908 4.15625 12.3607C4.61806 12.8305 5.16493 13.0654 5.79688 13.0654C6.45312 13.0654 7.01215 12.8428 7.47396 12.3978C7.93576 11.9279 8.16667 11.3592 8.16667 10.6916C8.16667 10.2712 8.04514 9.86318 7.80208 9.46754C7.58333 9.0719 7.31597 8.71336 7 8.3919C6.68403 8.07044 6.34375 7.73662 5.97917 7.39043C5.63889 7.04425 5.34722 6.66097 5.10417 6.2406C4.88542 5.82024 4.73958 5.35041 4.66667 4.83114C4.59375 4.31186 4.67882 3.68131 4.92188 2.93948C5.18924 2.17293 5.63889 1.33219 6.27083 0.417277C6.51389 0.0463641 6.84201 -0.0772735 7.25521 0.0463641C7.6684 0.170002 7.875 0.454368 7.875 0.899463Z\" fill=\"#EB5757\"><\/path><\/svg><\/span><span class=\"monsterinsights-inline-popular-posts-label\" >Trending<\/span><div class=\"monsterinsights-inline-popular-posts-post\"><a class=\"monsterinsights-inline-popular-posts-title\"  href=\"https:\/\/www.pythonpool.com\/fixed-nameerror-name-unicode-is-not-defined\/\">[Fixed] nameerror: name Unicode is not defined<\/a><\/div><\/div><\/div><p><\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3-using-the-append-function-to-create-stringbuilder-in-python\"><span class=\"ez-toc-section\" id=\"3_Using_the_append_Function_to_Create_StringBuilder_in_Python\"><\/span>3. Using the append() Function to Create StringBuilder in Python <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Adding more strings at the end of an existing string is known as <a href=\"http:\/\/www.pythonpool.com\/python-extend-vs-append\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span style=\"text-decoration: underline;\">append.<\/span><\/a> It is a built-in function that is already available in the Python library. The operator += is used to append a new string with an existing string.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-syntax-2\"><span class=\"ez-toc-section\" id=\"Syntax-3\"><\/span>Syntax<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">str1+=\"string\"<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-parameter-2\"><span class=\"ez-toc-section\" id=\"Parameter-3\"><\/span>Parameter<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>srt1-first string, required                                                                                                                                            string=string to be added, required.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-return-1\"><span class=\"ez-toc-section\" id=\"Return-2\"><\/span>Return<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>concatenated string <\/p>\n\n\n\n<p class=\"has-medium-font-size\" id=\"h-code-1\"><strong>Code<\/strong><\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: python; title: ; notranslate\" title=\"\">\n&gt;&gt;&gt; str1=&quot;Welcome to &quot;\n&gt;&gt;&gt; str1+=&quot;Python pool&quot;\n&gt;&gt;&gt; print(str1)\n<\/pre><\/div>\n\n\n<p>First, the value of str1 is Welcome to. Now we have to add a Python pool on that string. So that we are using the append function to build the string. Now the string is concatenated.<\/p>\n\n\n\n<p class=\"has-medium-font-size\" id=\"h-output-3\"><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Welcome to Python pool<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-4-using-the-string-io-module-to-create-stringbuilder-in-python\"><span class=\"ez-toc-section\" id=\"4_Using_the_String_IO_module_to_Create_StringBuilder_in_Python\"><\/span>4. Using the String IO module to Create StringBuilder in Python <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>This module is used to read and write strings. We can create a string IO object. getvalue() is useful to get the required string. We can use the string IO with class and without class.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-1-using-without-class\"><span class=\"ez-toc-section\" id=\"41_Using_without_class\"><\/span>4.1 Using without class<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: python; title: ; notranslate\" title=\"\">\nfrom io import StringIO\na = &#x5B;'Hi ','this ','is ','Python']\nstring = StringIO()\nfor i in a:\n   string.write(i)\nprint(string.getvalue())\n<\/pre><\/div>\n\n\n<p>First importing string IO module. Next to giving some string in a variable,&nbsp;<strong>a<\/strong>. Creating a for loop to iterate. Using <a href=\"https:\/\/docs.python.org\/3\/library\/io.html#io.BytesIO.getvalue\" target=\"_blank\" rel=\"noreferrer noopener\">getvalue()<\/a> to get the required string.<\/p>\n\n\n\n<p class=\"has-medium-font-size\" id=\"h-output-4\"><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Hi this is Python<\/pre>\n\n\n<div class=\"monsterinsights-inline-popular-posts monsterinsights-inline-popular-posts-kilo monsterinsights-popular-posts-styled\" ><div class=\"monsterinsights-inline-popular-posts-text\"><span class=\"monsterinsights-inline-popular-posts-label\" >Popular now<\/span><span class=\"monsterinsights-inline-popular-posts-border\" ><\/span><span class=\"monsterinsights-inline-popular-posts-border-2\" ><\/span><div class=\"monsterinsights-inline-popular-posts-post\"><a class=\"monsterinsights-inline-popular-posts-title\"  href=\"https:\/\/www.pythonpool.com\/solved-runtimeerror-cuda-error-invalid-device-ordinal\/\">[Solved] runtimeerror: cuda error: invalid device ordinal<\/a><\/div><\/div><\/div><p><\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-2-using-class\"><span class=\"ez-toc-section\" id=\"42_Using_class\"><\/span>4.2 Using class <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: python; title: ; notranslate\" title=\"\">\nfrom io import StringIO\nclass StringBuilder:\n    string = None\n\n    def __init__(self):\n        self.string = StringIO()\n\n    def Add(self, str):\n        self.string.write(str)\n\n    def __str__(self):\n        return self.string.getvalue()\na=input(&quot;Enter your name: &quot;)\nstring_builder = StringBuilder()\nstring_builder.Add(&quot;Welcome &quot;)\nstring_builder.Add(&quot;Mr\/Ms\/Mrs.&quot;)\nstring_builder.Add(a)\nprint(string_builder)\n<\/pre><\/div>\n\n\n<p>First, importing a stringIO module. Next, create a class named StringBuilder. Initializing a string as None. Next to creating an input string to get the name from the user. Then gathering some strings together. Next using getvalue() to get the required string.<\/p>\n\n\n\n<p class=\"has-medium-font-size\" id=\"h-output-5\"><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Enter your name: Priya\nWelcome Mr\/Ms\/Mrs.Priya<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions-related-to-stringbuilder-in-python\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_Related_to_StringBuilder_in_Python\"><\/span>Frequently Asked Questions Related to StringBuilder in Python<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1628428834361\"><strong class=\"schema-faq-question\">1. Is string builder is available in python?<\/strong> <p class=\"schema-faq-answer\">No, StringBuilder is not built-in in python. But, we can create a custom string builder.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1628428923655\"><strong class=\"schema-faq-question\">2. What is StringBuilder?<\/strong> <p class=\"schema-faq-answer\">String builder is a collection of strings. It is mutable and dynamic memory allocation. <\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1628429009634\"><strong class=\"schema-faq-question\">3. How can we create a StringBuilder in python?<\/strong> <p class=\"schema-faq-answer\">Use built-in functions like append(), string IO module, join(), and string concatenation.<\/p> <\/div> <\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Here we have seen StringBuilder in python. It is used to develop an existing string. StringBuilder is not readily available in python like C and Java. We have to create a custom StringBuilder in Python.<\/p>\n\n\n<div class=\"monsterinsights-widget-popular-posts monsterinsights-widget-popular-posts-charlie monsterinsights-popular-posts-styled monsterinsights-widget-popular-posts-columns-1\"><h2 class=\"monsterinsights-widget-popular-posts-widget-title\"><span class=\"ez-toc-section\" id=\"Trending_Right_Now\"><\/span>Trending Right Now<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"monsterinsights-widget-popular-posts-list\"><li style=\"background-color:#EEEEEE;border-color:#CD3034;\"><a href=\"https:\/\/www.pythonpool.com\/fixed-typeerror-cant-compare-datetime-datetime-to-datetime-date\/\"><div class=\"monsterinsights-widget-popular-posts-text\"><span class=\"monsterinsights-widget-popular-posts-title\" style=\"font-size:18px;\">[Fixed] typeerror can&#8217;t compare datetime.datetime to datetime.date<\/span><div class=\"monsterinsights-widget-popular-posts-meta\" ><\/div><\/div><\/a><\/li><li style=\"background-color:#EEEEEE;border-color:#CD3034;\"><a href=\"https:\/\/www.pythonpool.com\/fixed-nameerror-name-unicode-is-not-defined\/\"><div class=\"monsterinsights-widget-popular-posts-text\"><span class=\"monsterinsights-widget-popular-posts-title\" style=\"font-size:18px;\">[Fixed] nameerror: name Unicode is not defined<\/span><div class=\"monsterinsights-widget-popular-posts-meta\" ><\/div><\/div><\/a><\/li><li style=\"background-color:#EEEEEE;border-color:#CD3034;\"><a href=\"https:\/\/www.pythonpool.com\/solved-runtimeerror-cuda-error-invalid-device-ordinal\/\"><div class=\"monsterinsights-widget-popular-posts-text\"><span class=\"monsterinsights-widget-popular-posts-title\" style=\"font-size:18px;\">[Solved] runtimeerror: cuda error: invalid device ordinal<\/span><div class=\"monsterinsights-widget-popular-posts-meta\" ><\/div><\/div><\/a><\/li><li style=\"background-color:#EEEEEE;border-color:#CD3034;\"><a href=\"https:\/\/www.pythonpool.com\/fixed-typeerror-type-numpy-ndarray-doesnt-define-__round__-method\/\"><div class=\"monsterinsights-widget-popular-posts-text\"><span class=\"monsterinsights-widget-popular-posts-title\" style=\"font-size:18px;\">[Fixed] typeerror: type numpy.ndarray doesn&#8217;t define __round__ method<\/span><div class=\"monsterinsights-widget-popular-posts-meta\" ><\/div><\/div><\/a><\/li><\/ul><\/div><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Here we are going to see about there is any StringBuilder available in python. In C and Java programming, there is a StringBuilder. But we &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Is There Any StringBuilder in Python?\" class=\"read-more button\" href=\"https:\/\/www.pythonpool.com\/stringbuilder-python\/#more-15327\" aria-label=\"More on Is There Any StringBuilder in Python?\">Read more<\/a><\/p>\n","protected":false},"author":22,"featured_media":15373,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[15],"tags":[4399,4402,4400,4401],"class_list":["post-15327","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorials","tag-is-there-something-similar-to-a-stringbuilder-in-python-3","tag-python-equivalent-to-stringbuilder","tag-stringbuilder-in-python","tag-stringbuilder-python-3","infinite-scroll-item"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.1 (Yoast SEO v25.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Is There Any StringBuilder in Python? - Python Pool<\/title>\n<meta name=\"description\" content=\"Here we are going to see about is there any StringBuilder available in python. 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Is string builder is available in python?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No, StringBuilder is not built-in in python. But, we can create a custom string builder.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.pythonpool.com\/stringbuilder-python\/#faq-question-1628428923655","position":2,"url":"https:\/\/www.pythonpool.com\/stringbuilder-python\/#faq-question-1628428923655","name":"2. What is StringBuilder?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"String builder is a collection of strings. It is mutable and dynamic memory allocation. ","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.pythonpool.com\/stringbuilder-python\/#faq-question-1628429009634","position":3,"url":"https:\/\/www.pythonpool.com\/stringbuilder-python\/#faq-question-1628429009634","name":"3. How can we create a StringBuilder in python?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Use built-in functions like append(), string IO module, join(), and string concatenation.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.pythonpool.com\/wp-json\/wp\/v2\/posts\/15327","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pythonpool.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pythonpool.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pythonpool.com\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pythonpool.com\/wp-json\/wp\/v2\/comments?post=15327"}],"version-history":[{"count":28,"href":"https:\/\/www.pythonpool.com\/wp-json\/wp\/v2\/posts\/15327\/revisions"}],"predecessor-version":[{"id":24389,"href":"https:\/\/www.pythonpool.com\/wp-json\/wp\/v2\/posts\/15327\/revisions\/24389"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pythonpool.com\/wp-json\/wp\/v2\/media\/15373"}],"wp:attachment":[{"href":"https:\/\/www.pythonpool.com\/wp-json\/wp\/v2\/media?parent=15327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pythonpool.com\/wp-json\/wp\/v2\/categories?post=15327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pythonpool.com\/wp-json\/wp\/v2\/tags?post=15327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}