{"id":1026567,"date":"2024-12-31T10:43:46","date_gmt":"2024-12-31T02:43:46","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1026567.html"},"modified":"2024-12-31T10:43:48","modified_gmt":"2024-12-31T02:43:48","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89%e4%b8%8d%e5%ae%9a%e9%95%bf%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1026567.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u5b9a\u4e49\u4e0d\u5b9a\u957f\u5217\u8868"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u5b9a\u4e49\u4e0d\u5b9a\u957f\u5217\u8868\"<\/p>\n

Python \u4e2d\u5b9a\u4e49\u4e0d\u5b9a\u957f\u5217\u8868\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5217\u8868\u8ffd\u52a0\u5143\u7d20\u3001\u4f7f\u7528\u5217\u8868\u751f\u6210\u5f0f\u3001\u4f7f\u7528 *args<\/code> \u53d8\u91cf\u3001\u4f7f\u7528 itertools<\/code> \u6a21\u5757\u3002<\/strong> \u5176\u4e2d\uff0c\u6700\u5e38\u7528\u4e14\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u901a\u8fc7\u5217\u8868\u7684\u8ffd\u52a0\u64cd\u4f5c\u6765\u5b9e\u73b0\u4e0d\u5b9a\u957f\u5217\u8868\u3002\u901a\u8fc7\u4f7f\u7528 append()<\/code> \u65b9\u6cd5\uff0c\u53ef\u4ee5\u52a8\u6001\u5730\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\uff0c\u8fbe\u5230\u4e0d\u5b9a\u957f\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n

\u4f8b\u5982\uff1a<\/strong><\/p>\n<\/p>\n

my_list = []<\/p>\n
for i in range(10):<\/p>\n
    my_list.append(i)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u6613\u7528\uff0c\u76f4\u63a5\u4f7f\u7528\u5185\u7f6e\u7684\u5217\u8868\u64cd\u4f5c\u51fd\u6570\u5373\u53ef\u5b8c\u6210\u3002<\/p>\n<\/p>\n
\n
\u4e00\u3001\u5217\u8868\u8ffd\u52a0\u5143\u7d20<\/h2>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u6700\u5e38\u89c1\u7684\u65b9\u5f0f\u662f\u901a\u8fc7\u5217\u8868\u7684\u8ffd\u52a0\u64cd\u4f5c\u6765\u5b9e\u73b0\u4e0d\u5b9a\u957f\u5217\u8868\u3002\u8fd9\u79cd\u65b9\u6cd5\u6700\u76f4\u63a5\uff0c\u5229\u7528\u5217\u8868\u7684 append()<\/code> \u65b9\u6cd5\uff0c\u53ef\u4ee5\u52a8\u6001\u5730\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\uff0c\u4f7f\u5217\u8868\u957f\u5ea6\u4e0d\u65ad\u589e\u52a0\u3002<\/p>\n<\/p>\n
1.1 \u4f7f\u7528 append() \u65b9\u6cd5<\/h3>\n<\/p>\n
append()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u65b0\u7684\u5bf9\u8c61\uff0c\u8fd9\u662f\u6700\u5e38\u7528\u7684\u6dfb\u52a0\u65b9\u6cd5\u4e4b\u4e00\u3002<\/p>\n<\/p>\n
my_list = []<\/p>\n
for i in range(10):<\/p>\n
    my_list.append(i)<\/p>\n
print(my_list)  # \u8f93\u51fa\uff1a[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cappend()<\/code> \u65b9\u6cd5\u6bcf\u6b21\u5faa\u73af\u5c06\u4e00\u4e2a\u65b0\u7684\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\uff0c\u6700\u7ec8\u751f\u6210\u4e00\u4e2a\u5305\u542b 10 \u4e2a\u5143\u7d20\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
1.2 \u4f7f\u7528 extend() \u65b9\u6cd5<\/h3>\n<\/p>\n
extend()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u672b\u5c3e\u4e00\u6b21\u6027\u8ffd\u52a0\u53e6\u4e00\u4e2a\u5e8f\u5217\u4e2d\u7684\u591a\u4e2a\u503c\u3002\u4e0e append()<\/code> \u4e0d\u540c\uff0cextend()<\/code> \u65b9\u6cd5\u662f\u5c06\u6574\u4e2a\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u9010\u4e2a\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
my_list = [1, 2, 3]<\/p>\n
my_list.extend([4, 5, 6])<\/p>\n
print(my_list)  # \u8f93\u51fa\uff1a[1, 2, 3, 4, 5, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cextend()<\/code> \u65b9\u6cd5\u5c06 [4, 5, 6]<\/code> \u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230 my_list<\/code> \u4e2d\uff0c\u6700\u7ec8\u751f\u6210\u4e00\u4e2a\u5305\u542b 6 \u4e2a\u5143\u7d20\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\n
\u4e8c\u3001\u5217\u8868\u751f\u6210\u5f0f<\/h2>\n<\/p>\n
\u5217\u8868\u751f\u6210\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u751f\u6210\u5217\u8868\u7684\u65b9\u5f0f\uff0c\u5b83\u901a\u8fc7\u4e00\u884c\u7b80\u6d01\u7684\u4ee3\u7801\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff0c\u7279\u522b\u9002\u7528\u4e8e\u751f\u6210\u89c4\u5219\u6027\u8f83\u5f3a\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
2.1 \u57fa\u672c\u8bed\u6cd5<\/h3>\n<\/p>\n
\u5217\u8868\u751f\u6210\u5f0f\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
[expression for item in iterable]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5176\u4e2d expression<\/code> \u662f\u5217\u8868\u4e2d\u6bcf\u4e2a\u5143\u7d20\u7684\u8ba1\u7b97\u8868\u8fbe\u5f0f\uff0citem<\/code> \u662f\u8fed\u4ee3\u5bf9\u8c61 iterable<\/code> \u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n
2.2 \u793a\u4f8b<\/h3>\n<\/p>\n
squares = [x2 for x in range(10)]<\/p>\n
print(squares)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5217\u8868\u751f\u6210\u5f0f [x2 for x in range(10)]<\/code> \u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b 10 \u4e2a\u5143\u7d20\u7684\u5217\u8868\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u5176\u7d22\u5f15\u7684\u5e73\u65b9\u3002<\/p>\n<\/p>\n
2.3 \u5e26\u6761\u4ef6\u7684\u5217\u8868\u751f\u6210\u5f0f<\/h3>\n<\/p>\n
\u5217\u8868\u751f\u6210\u5f0f\u8fd8\u53ef\u4ee5\u5e26\u6709\u6761\u4ef6\u5224\u65ad\uff0c\u4ece\u800c\u751f\u6210\u66f4\u4e3a\u7075\u6d3b\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
even_squares = [x2 for x in range(10) if x % 2 == 0]<\/p>\n
print(even_squares)  # \u8f93\u51fa\uff1a[0, 4, 16, 36, 64]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u53ea\u6709\u5f53 x<\/code> \u4e3a\u5076\u6570\u65f6\uff0c\u5176\u5e73\u65b9\u503c\u624d\u4f1a\u88ab\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\n
\u4e09\u3001\u4f7f\u7528 *args \u53d8\u91cf<\/h2>\n<\/p>\n
\u5728\u51fd\u6570\u4e2d\u4f7f\u7528 *args<\/code> \u53d8\u91cf\u53ef\u4ee5\u63a5\u6536\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\uff0c\u4ece\u800c\u5b9e\u73b0\u4e0d\u5b9a\u957f\u53c2\u6570\u5217\u8868\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n
3.1 \u793a\u4f8b<\/h3>\n<\/p>\n
def add_items(*args):<\/p>\n
    my_list = []<\/p>\n
    for item in args:<\/p>\n
        my_list.append(item)<\/p>\n
    return my_list<\/p>\n
result = add_items(1, 2, 3, 4, 5)<\/p>\n
print(result)  # \u8f93\u51fa\uff1a[1, 2, 3, 4, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c*args<\/code> \u53d8\u91cf\u63a5\u6536\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\uff0c\u5e76\u901a\u8fc7 append()<\/code> \u65b9\u6cd5\u5c06\u6bcf\u4e00\u4e2a\u53c2\u6570\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\uff0c\u6700\u7ec8\u751f\u6210\u4e00\u4e2a\u5305\u542b\u6240\u6709\u53c2\u6570\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\n
\u56db\u3001\u4f7f\u7528 itertools \u6a21\u5757<\/h2>\n<\/p>\n
itertools<\/code> \u6a21\u5757\u63d0\u4f9b\u4e86\u591a\u4e2a\u7528\u4e8e\u751f\u6210\u8fed\u4ee3\u5668\u7684\u51fd\u6570\uff0c\u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u4e0d\u5b9a\u957f\u5217\u8868\u3002<\/p>\n<\/p>\n
4.1 \u4f7f\u7528 chAI<\/a>n() \u51fd\u6570<\/h3>\n<\/p>\n
chain()<\/code> \u51fd\u6570\u53ef\u4ee5\u5c06\u591a\u4e2a\u8fed\u4ee3\u5bf9\u8c61\u8fde\u63a5\u8d77\u6765\uff0c\u4ece\u800c\u751f\u6210\u4e00\u4e2a\u5305\u542b\u6240\u6709\u5143\u7d20\u7684\u8fed\u4ee3\u5668\u3002<\/p>\n<\/p>\n
import itertools<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = [4, 5, 6]<\/p>\n
combined_list = list(itertools.chain(list1, list2))<\/p>\n
print(combined_list)  # \u8f93\u51fa\uff1a[1, 2, 3, 4, 5, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0citertools.chain()<\/code> \u51fd\u6570\u5c06 list1<\/code> \u548c list2<\/code> \u8fde\u63a5\u8d77\u6765\uff0c\u751f\u6210\u4e00\u4e2a\u5305\u542b\u6240\u6709\u5143\u7d20\u7684\u8fed\u4ee3\u5668\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
4.2 \u4f7f\u7528 repeat() \u51fd\u6570<\/h3>\n<\/p>\n
repeat()<\/code> \u51fd\u6570\u53ef\u4ee5\u751f\u6210\u4e00\u4e2a\u6307\u5b9a\u6b21\u6570\u7684\u91cd\u590d\u503c\u7684\u8fed\u4ee3\u5668\u3002<\/p>\n<\/p>\n
import itertools<\/p>\n
repeated_list = list(itertools.repeat(7, 5))<\/p>\n
print(repeated_list)  # \u8f93\u51fa\uff1a[7, 7, 7, 7, 7]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0citertools.repeat()<\/code> \u51fd\u6570\u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b 5 \u4e2a 7 \u7684\u8fed\u4ee3\u5668\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\n
\u4e94\u3001\u4f7f\u7528 NumPy \u5e93<\/h2>\n<\/p>\n
NumPy \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u79d1\u5b66\u8ba1\u7b97\u5e93\uff0c\u63d0\u4f9b\u4e86\u591a\u79cd\u751f\u6210\u6570\u7ec4\u7684\u65b9\u6cd5\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u540c\u6837\u9002\u7528\u4e8e\u751f\u6210\u4e0d\u5b9a\u957f\u5217\u8868\u3002<\/p>\n<\/p>\n
5.1 \u4f7f\u7528 numpy.arange() \u51fd\u6570<\/h3>\n<\/p>\n
numpy.arange()<\/code> \u51fd\u6570\u751f\u6210\u4e00\u4e2a\u7b49\u5dee\u6570\u5217\u7684\u6570\u7ec4\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
array = np.arange(10)<\/p>\n
print(array)  # \u8f93\u51fa\uff1a[0 1 2 3 4 5 6 7 8 9]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cnumpy.arange()<\/code> \u51fd\u6570\u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b 10 \u4e2a\u5143\u7d20\u7684\u7b49\u5dee\u6570\u5217\u3002<\/p>\n<\/p>\n
5.2 \u4f7f\u7528 numpy.linspace() \u51fd\u6570<\/h3>\n<\/p>\n
numpy.linspace()<\/code> \u51fd\u6570\u751f\u6210\u4e00\u4e2a\u7b49\u95f4\u9694\u6570\u5217\u7684\u6570\u7ec4\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
array = np.linspace(0, 1, 5)<\/p>\n
print(array)  # \u8f93\u51fa\uff1a[0.   0.25 0.5  0.75 1.  ]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cnumpy.linspace()<\/code> \u51fd\u6570\u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684\u7b49\u95f4\u9694\u6570\u5217\u3002<\/p>\n<\/p>\n
\n
\u516d\u3001\u4f7f\u7528\u751f\u6210\u5668<\/h2>\n<\/p>\n
\u751f\u6210\u5668\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u8fed\u4ee3\u5668\uff0c\u901a\u8fc7 yield<\/code> \u5173\u952e\u5b57\u5b9e\u73b0\uff0c\u53ef\u4ee5\u751f\u6210\u4e0d\u5b9a\u957f\u7684\u5e8f\u5217\u3002<\/p>\n<\/p>\n
6.1 \u793a\u4f8b<\/h3>\n<\/p>\n
def generate_numbers(n):<\/p>\n
    i = 0<\/p>\n
    while i < n:<\/p>\n
        yield i<\/p>\n
        i += 1<\/p>\n
gen = generate_numbers(10)<\/p>\n
my_list = list(gen)<\/p>\n
print(my_list)  # \u8f93\u51fa\uff1a[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u751f\u6210\u5668\u51fd\u6570 generate_numbers()<\/code> \u901a\u8fc7 yield<\/code> \u5173\u952e\u5b57\u751f\u6210\u4e00\u4e2a\u5305\u542b 10 \u4e2a\u5143\u7d20\u7684\u8fed\u4ee3\u5668\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\n
\u4e03\u3001\u603b\u7ed3<\/h2>\n<\/p>\n
\u4ee5\u4e0a\u4ecb\u7ecd\u4e86\u5728 Python \u4e2d\u5b9a\u4e49\u4e0d\u5b9a\u957f\u5217\u8868\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u5217\u8868\u8ffd\u52a0\u5143\u7d20\u3001\u5217\u8868\u751f\u6210\u5f0f\u3001*args<\/code> \u53d8\u91cf\u3001itertools<\/code> \u6a21\u5757\u3001NumPy \u5e93\u4ee5\u53ca\u751f\u6210\u5668\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u4f18\u52bf\u548c\u9002\u7528\u573a\u666f\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u5217\u8868\u7684\u8ffd\u52a0\u64cd\u4f5c\u6700\u4e3a\u5e38\u7528\u548c\u7b80\u5355<\/strong>\uff0c\u800c\u5217\u8868\u751f\u6210\u5f0f\u5219\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u6d01\u9ad8\u6548\u7684\u751f\u6210\u5217\u8868\u7684\u65b9\u5f0f\u3002*args<\/code> \u53d8\u91cf\u9002\u7528\u4e8e\u51fd\u6570\u53c2\u6570\u7684\u52a8\u6001\u63a5\u6536\uff0c\u800c itertools<\/code> \u6a21\u5757\u548c NumPy \u5e93\u5219\u63d0\u4f9b\u4e86\u66f4\u591a\u5f3a\u5927\u7684\u5de5\u5177\u3002\u751f\u6210\u5668\u5219\u9002\u7528\u4e8e\u9700\u8981\u52a8\u6001\u751f\u6210\u4e0d\u5b9a\u957f\u5e8f\u5217\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u4e0d\u5b9a\u957f\u7684\u5217\u8868\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684\u5217\u8868\u7c7b\u578b\u6765\u521b\u5efa\u4e0d\u5b9a\u957f\u7684\u5217\u8868\u3002\u53ea\u9700\u7b80\u5355\u5730\u4f7f\u7528\u65b9\u62ec\u53f7 []<\/code> \u6765\u5b9a\u4e49\u4e00\u4e2a\u7a7a\u5217\u8868\uff0c\u7136\u540e\u53ef\u4ee5\u968f\u65f6\u4f7f\u7528 append()<\/code> \u65b9\u6cd5\u6dfb\u52a0\u5143\u7d20\u3002\u4f8b\u5982\uff1a  <\/p>\n
my_list = []  # \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\nmy_list.append(1)  # \u6dfb\u52a0\u5143\u7d20\nmy_list.append(2)\nprint(my_list)  # \u8f93\u51fa: [1, 2]\n<\/code><\/pre>\n
\u8fd9\u4e2a\u5217\u8868\u53ef\u4ee5\u6839\u636e\u9700\u8981\u52a8\u6001\u6269\u5c55\uff0c\u7528\u6237\u53ef\u4ee5\u968f\u65f6\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\u3002<\/p>\n
\u80fd\u5426\u4f7f\u7528\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u6765\u5b9e\u73b0\u4e0d\u5b9a\u957f\u7684\u5217\u8868\uff1f<\/strong>
\u9664\u4e86\u4f7f\u7528Python\u7684\u5185\u7f6e\u5217\u8868\uff0c\u7528\u6237\u8fd8\u53ef\u4ee5\u9009\u62e9\u5176\u4ed6\u6570\u636e\u7ed3\u6784\uff0c\u5982 deque<\/code>\uff08\u53cc\u7aef\u961f\u5217\uff09\u6765\u81ea\u4e8e collections<\/code> \u6a21\u5757\u3002deque<\/code> \u63d0\u4f9b\u4e86\u66f4\u5feb\u7684\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\uff0c\u9002\u5408\u9700\u8981\u9891\u7e41\u5728\u5217\u8868\u4e24\u7aef\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\u7684\u573a\u666f\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
from collections import deque\nmy_deque = deque()\nmy_deque.append(1)\nmy_deque.append(2)\nprint(my_deque)  # \u8f93\u51fa: deque([1, 2])\n<\/code><\/pre>\n
\u5728Python\u4e2d\uff0c\u5982\u4f55\u5bf9\u4e0d\u5b9a\u957f\u5217\u8868\u8fdb\u884c\u904d\u5386\uff1f<\/strong>
\u904d\u5386\u4e0d\u5b9a\u957f\u5217\u8868\u975e\u5e38\u7b80\u5355\uff0c\u7528\u6237\u53ef\u4ee5\u4f7f\u7528 for<\/code> \u5faa\u73af\u904d\u5386\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a  <\/p>\n
my_list = [1, 2, 3, 4, 5]\nfor item in my_list:\n    print(item)\n<\/code><\/pre>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u9010\u4e2a\u8f93\u51fa\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u64cd\u4f5c\uff0c\u7528\u6237\u8fd8\u53ef\u4ee5\u7ed3\u5408\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u521b\u5efa\u65b0\u7684\u5217\u8868\u6216\u8fdb\u884c\u5176\u4ed6\u8ba1\u7b97\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python \u4e2d\u5b9a\u4e49\u4e0d\u5b9a\u957f\u5217\u8868\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5217\u8868\u8ffd\u52a0\u5143\u7d20\u3001\u4f7f\u7528\u5217\u8868\u751f\u6210\u5f0f\u3001\u4f7f\u7528 *args \u53d8\u91cf\u3001\u4f7f\u7528 ite […]","protected":false},"author":3,"featured_media":1026572,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1026567"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1026567"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1026567\/revisions"}],"predecessor-version":[{"id":1026575,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1026567\/revisions\/1026575"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1026572"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1026567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1026567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1026567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}