{"id":1077250,"date":"2025-01-08T12:00:34","date_gmt":"2025-01-08T04:00:34","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1077250.html"},"modified":"2025-01-08T12:00:37","modified_gmt":"2025-01-08T04:00:37","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e8%ae%be%e7%bd%ae%e6%95%b0%e8%8c%83%e5%9b%b4%e4%b8%8e%e6%ad%a5%e9%95%bf-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1077250.html","title":{"rendered":"Python\u4e2d\u5982\u4f55\u8bbe\u7f6e\u6570\u8303\u56f4\u4e0e\u6b65\u957f"},"content":{"rendered":"

\"Python\u4e2d\u5982\u4f55\u8bbe\u7f6e\u6570\u8303\u56f4\u4e0e\u6b65\u957f\"<\/p>\n

\u5728Python\u4e2d\u8bbe\u7f6e\u6570\u8303\u56f4\u4e0e\u6b65\u957f\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528range()\u51fd\u6570\u3001\u4f7f\u7528numpy\u5e93\u4e2d\u7684arange()\u51fd\u6570\u3001\u4f7f\u7528\u5217\u8868\u89e3\u6790\u7b49\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528range()\u51fd\u6570\u662f\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u6307\u5b9a\u8d77\u59cb\u503c\u3001\u7ec8\u6b62\u503c\u548c\u6b65\u957f\u6765\u751f\u6210\u6574\u6570\u5e8f\u5217\u3002numpy\u5e93\u4e2d\u7684arange()\u51fd\u6570\u53ef\u4ee5\u751f\u6210\u5e26\u6709\u5c0f\u6570\u6b65\u957f\u7684\u5e8f\u5217\uff0c\u9002\u5408\u66f4\u7cbe\u7ec6\u7684\u6570\u503c\u8303\u56f4\u63a7\u5236\u3002\u5217\u8868\u89e3\u6790\u5219\u901a\u8fc7\u7075\u6d3b\u7684\u8868\u8fbe\u5f0f\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6570\u503c\u751f\u6210\u903b\u8f91\u3002\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528range()\u51fd\u6570<\/h3>\n<\/p>\n

range()\u51fd\u6570\u662fPython\u5185\u7f6e\u51fd\u6570\u4e4b\u4e00\uff0c\u4e3b\u8981\u7528\u4e8e\u751f\u6210\u6574\u6570\u5e8f\u5217\u3002\u5176\u57fa\u672c\u8bed\u6cd5\u4e3arange(start, stop[, step])\uff0c\u5176\u4e2dstart\u8868\u793a\u8d77\u59cb\u503c\uff0cstop\u8868\u793a\u7ec8\u6b62\u503c\uff08\u4e0d\u5305\u542b\u5728\u751f\u6210\u7684\u5e8f\u5217\u4e2d\uff09\uff0cstep\u8868\u793a\u6b65\u957f\uff08\u9ed8\u8ba4\u4e3a1\uff09\u3002<\/p>\n<\/p>\n

1.1 \u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n

\u4f7f\u7528range()\u51fd\u6570\u751f\u6210\u4ece0\u52309\u7684\u6574\u6570\u5e8f\u5217\uff1a<\/p>\n<\/p>\n

for i in range(10):<\/p>\n
    print(i)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u8f93\u51fa0\u52309\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n
1.2 \u6307\u5b9a\u6b65\u957f<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u6b65\u957f\u6765\u751f\u6210\u66f4\u7075\u6d3b\u7684\u5e8f\u5217\uff0c\u4f8b\u5982\u751f\u62100\u523010\u4e4b\u95f4\u7684\u5076\u6570\uff1a<\/p>\n<\/p>\n
for i in range(0, 11, 2):<\/p>\n
    print(i)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u8f93\u51fa0, 2, 4, 6, 8, 10\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528numpy\u5e93\u4e2d\u7684arange()\u51fd\u6570<\/h3>\n<\/p>\n
numpy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u79d1\u5b66\u8ba1\u7b97\u5e93\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u503c\u8fd0\u7b97\u529f\u80fd\u3002numpy\u4e2d\u7684arange()\u51fd\u6570\u7c7b\u4f3c\u4e8erange()\u51fd\u6570\uff0c\u4f46\u53ef\u4ee5\u751f\u6210\u5e26\u6709\u5c0f\u6570\u6b65\u957f\u7684\u5e8f\u5217\u3002<\/p>\n<\/p>\n
2.1 \u5b89\u88c5numpy<\/h4>\n<\/p>\n
\u5728\u4f7f\u7528numpy\u4e4b\u524d\uff0c\u9700\u8981\u5148\u5b89\u88c5\u8be5\u5e93\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n
pip install numpy<\/p>\n
<\/code><\/pre>\n<\/p>\n
2.2 \u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
\u4f7f\u7528numpy\u4e2d\u7684arange()\u51fd\u6570\u751f\u62100\u52301\u4e4b\u95f4\uff0c\u6b65\u957f\u4e3a0.1\u7684\u5e8f\u5217\uff1a<\/p>\n<\/p>\n
import numpy as np<\/p>\n
arr = np.arange(0, 1, 0.1)<\/p>\n
print(arr)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u8f93\u51fa\uff1a[0.  0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9]<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5217\u8868\u89e3\u6790<\/h3>\n<\/p>\n
\u5217\u8868\u89e3\u6790\u662fPython\u4e2d\u975e\u5e38\u5f3a\u5927\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7\u7075\u6d3b\u7684\u8868\u8fbe\u5f0f\u751f\u6210\u590d\u6742\u7684\u5e8f\u5217\u3002<\/p>\n<\/p>\n
3.1 \u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
\u4f7f\u7528\u5217\u8868\u89e3\u6790\u751f\u62100\u52309\u7684\u6574\u6570\u5e8f\u5217\uff1a<\/p>\n<\/p>\n
seq = [i for i in range(10)]<\/p>\n
print(seq)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u8f93\u51fa\uff1a[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]<\/p>\n<\/p>\n
3.2 \u6307\u5b9a\u6b65\u957f<\/h4>\n<\/p>\n
\u901a\u8fc7\u5217\u8868\u89e3\u6790\u751f\u62100\u523010\u4e4b\u95f4\u7684\u5076\u6570\uff1a<\/p>\n<\/p>\n
evens = [i for i in range(0, 11, 2)]<\/p>\n
print(evens)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u8f93\u51fa\uff1a[0, 2, 4, 6, 8, 10]<\/p>\n<\/p>\n
\u56db\u3001\u7ed3\u5408\u4f7f\u7528<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u591a\u79cd\u65b9\u6cd5\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u6ee1\u8db3\u66f4\u590d\u6742\u7684\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u7ed3\u5408\u4f7f\u7528numpy\u548c\u5217\u8868\u89e3\u6790\u751f\u6210\u5e26\u6709\u5c0f\u6570\u6b65\u957f\u7684\u5e8f\u5217\uff1a<\/p>\n<\/p>\n
import numpy as np<\/p>\n
seq = [round(i, 2) for i in np.arange(0, 1, 0.1)]<\/p>\n
print(seq)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u8f93\u51fa\uff1a[0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9]<\/p>\n<\/p>\n
\u4e94\u3001\u5b9e\u9645\u5e94\u7528\u6848\u4f8b<\/h3>\n<\/p>\n
5.1 \u751f\u6210\u65f6\u95f4\u5e8f\u5217<\/h4>\n<\/p>\n
\u5728\u6570\u636e\u5206\u6790\u548c\u79d1\u5b66\u8ba1\u7b97\u4e2d\uff0c\u5e38\u5e38\u9700\u8981\u751f\u6210\u65f6\u95f4\u5e8f\u5217\u3002\u4f8b\u5982\uff0c\u751f\u6210\u4ece2023-01-01\u52302023-12-31\u7684\u6bcf\u65e5\u65f6\u95f4\u5e8f\u5217\uff1a<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
date_range = pd.date_range(start='2023-01-01', end='2023-12-31')<\/p>\n
print(date_range)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u8f93\u51fa\u4e00\u6574\u5e74\u7684\u6bcf\u65e5\u65f6\u95f4\u5e8f\u5217\u3002<\/p>\n<\/p>\n
5.2 \u751f\u6210\u7b49\u5dee\u6570\u5217<\/h4>\n<\/p>\n
\u5728\u6570\u5b66\u8ba1\u7b97\u4e2d\uff0c\u7b49\u5dee\u6570\u5217\u662f\u5e38\u89c1\u7684\u5e8f\u5217\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u751f\u6210\u4ece1\u523010\u7684\u7b49\u5dee\u6570\u5217\uff0c\u516c\u5dee\u4e3a2\uff1a<\/p>\n<\/p>\n
seq = [i for i in range(1, 11, 2)]<\/p>\n
print(seq)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u8f93\u51fa\uff1a[1, 3, 5, 7, 9]<\/p>\n<\/p>\n
5.3 \u751f\u6210\u7b49\u6bd4\u6570\u5217<\/h4>\n<\/p>\n
\u7b49\u6bd4\u6570\u5217\u662f\u53e6\u4e00\u7c7b\u5e38\u89c1\u7684\u6570\u5b66\u5e8f\u5217\u3002\u4f8b\u5982\uff0c\u751f\u6210\u4ece1\u5f00\u59cb\uff0c\u516c\u6bd4\u4e3a2\u7684\u7b49\u6bd4\u6570\u5217\uff0c\u76f4\u5230\u5c0f\u4e8e100\uff1a<\/p>\n<\/p>\n
seq = [2i for i in range(7)]<\/p>\n
print(seq)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u8f93\u51fa\uff1a[1, 2, 4, 8, 16, 32, 64]<\/p>\n<\/p>\n
\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u751f\u6210\u6570\u8303\u56f4\u4e0e\u6b65\u957f\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u5e38\u89c1\u7684\u6709\u4f7f\u7528range()\u51fd\u6570\u3001numpy\u5e93\u4e2d\u7684arange()\u51fd\u6570\u548c\u5217\u8868\u89e3\u6790\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u751f\u6210\u6240\u9700\u7684\u6570\u503c\u5e8f\u5217\u3002<\/strong> \u901a\u8fc7\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f7f\u7528\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u5728Python\u4e2d\u751f\u6210\u6570\u8303\u56f4\u4e0e\u6b65\u957f\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u8bbe\u7f6e\u6570\u7684\u8303\u56f4\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684range()<\/code>\u51fd\u6570\u6765\u8bbe\u7f6e\u6570\u7684\u8303\u56f4\u3002\u8be5\u51fd\u6570\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570\uff1a\u8d77\u59cb\u503c\u3001\u7ed3\u675f\u503c\u548c\u6b65\u957f\u3002\u8d77\u59cb\u503c\u662f\u6570\u5217\u7684\u5f00\u59cb\uff0c\u7ed3\u675f\u503c\u662f\u6570\u5217\u7684\u7ec8\u6b62\uff08\u4e0d\u5305\u542b\u8be5\u503c\uff09\uff0c\u6b65\u957f\u5219\u662f\u6bcf\u6b21\u9012\u589e\u7684\u6570\u503c\u3002\u4f8b\u5982\uff0crange(1, 10)<\/code>\u4f1a\u751f\u6210\u4ece1\u52309\u7684\u6570\u5217\uff0crange(1, 10, 2)<\/code>\u5219\u4f1a\u751f\u62101, 3, 5, 7, 9\u8fd9\u6837\u7684\u5947\u6570\u5e8f\u5217\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u4f7f\u7528\u6b65\u957f\u53c2\u6570\uff1f<\/strong>
\u6b65\u957f\u53c2\u6570\u7528\u4e8e\u63a7\u5236\u6570\u5217\u4e2d\u6bcf\u4e2a\u6570\u4e4b\u95f4\u7684\u95f4\u9694\u3002\u4f8b\u5982\uff0c\u4f7f\u7528range(0, 20, 5)<\/code>\u5c06\u751f\u62100, 5, 10, 15\u7684\u5e8f\u5217\uff0c\u6b65\u957f\u4e3a5\u3002\u5728\u8bbe\u7f6e\u8d1f\u503c\u6b65\u957f\u65f6\uff0c\u5982range(10, 0, -2)<\/code>\uff0c\u7ed3\u679c\u5c06\u662f10, 8, 6, 4, 2\u7684\u5e8f\u5217\u3002\u8fd9\u79cd\u7075\u6d3b\u6027\u4f7f\u5f97\u5728\u5faa\u73af\u548c\u6570\u636e\u5904\u7406\u65f6\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n
\u5982\u4f55\u5c06\u751f\u6210\u7684\u6570\u5217\u8f6c\u6362\u4e3a\u5217\u8868\uff1f<\/strong>
\u867d\u7136range()<\/code>\u51fd\u6570\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff0c\u4f46\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002\u53ea\u9700\u5c06range()<\/code>\u51fd\u6570\u5305\u88f9\u5728list()<\/code>\u51fd\u6570\u4e2d\uff0c\u4f8b\u5982list(range(1, 10))<\/code>\uff0c\u7ed3\u679c\u5c06\u662f\u4e00\u4e2a\u5305\u542b1\u52309\u7684\u5217\u8868\u3002\u8fd9\u79cd\u65b9\u5f0f\u5728\u9700\u8981\u5bf9\u6570\u5217\u8fdb\u884c\u8fdb\u4e00\u6b65\u64cd\u4f5c\u65f6\u975e\u5e38\u6709\u7528\uff0c\u6bd4\u5982\u5e94\u7528\u8fc7\u6ee4\u6761\u4ef6\u6216\u8fdb\u884c\u6570\u5b66\u8fd0\u7b97\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u8bbe\u7f6e\u6570\u8303\u56f4\u4e0e\u6b65\u957f\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528range()\u51fd\u6570\u3001\u4f7f\u7528numpy\u5e93\u4e2d\u7684arange()\u51fd\u6570\u3001\u4f7f […]","protected":false},"author":3,"featured_media":1077253,"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\/1077250"}],"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=1077250"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1077250\/revisions"}],"predecessor-version":[{"id":1077256,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1077250\/revisions\/1077256"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1077253"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1077250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1077250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1077250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}