{"id":999967,"date":"2024-12-27T09:45:50","date_gmt":"2024-12-27T01:45:50","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/999967.html"},"modified":"2024-12-27T09:45:53","modified_gmt":"2024-12-27T01:45:53","slug":"python%e5%a6%82%e4%bd%95%e8%a1%a8%e7%a4%bax%e8%8c%83%e5%9b%b4","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/999967.html","title":{"rendered":"python\u5982\u4f55\u8868\u793ax\u8303\u56f4"},"content":{"rendered":"

\"python\u5982\u4f55\u8868\u793ax\u8303\u56f4\"<\/p>\n

\u5728Python\u4e2d\uff0c\u8868\u793a\u53d8\u91cfx<\/code>\u7684\u8303\u56f4\u6709\u51e0\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\uff0c\u4f7f\u7528range()<\/code>\u51fd\u6570\u3001\u5b9a\u4e49\u81ea\u5b9a\u4e49\u8303\u56f4\u3001\u4f7f\u7528NumPy\u5e93\u4e2d\u7684linspace()<\/code>\u548carange()<\/code>\u51fd\u6570\u3001\u4f7f\u7528\u6761\u4ef6\u5224\u65ad\u6765\u9650\u5236\u8303\u56f4<\/strong>\u3002\u5176\u4e2d\uff0crange()<\/code>\u51fd\u6570\u662f\u6700\u5e38\u7528\u4e8e\u751f\u6210\u6574\u6570\u5e8f\u5217\u7684\u5de5\u5177\uff0c\u800clinspace()<\/code>\u548carange()<\/code>\u51fd\u6570\u5219\u9002\u7528\u4e8e\u66f4\u590d\u6742\u7684\u6570\u503c\u8303\u56f4\u9700\u6c42\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

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

range()<\/code>\u51fd\u6570\u662fPython\u5185\u7f6e\u7684\u4e00\u4e2a\u51fd\u6570\uff0c\u4e13\u95e8\u7528\u4e8e\u751f\u6210\u4e00\u4e2a\u6574\u6570\u5e8f\u5217\u3002\u5b83\u5e38\u7528\u4e8efor<\/code>\u5faa\u73af\u4e2d\u6765\u904d\u5386\u4e00\u7cfb\u5217\u6574\u6570\u3002range()<\/code>\u53ef\u4ee5\u63a5\u6536\u4e00\u4e2a\u3001\u4e24\u4e2a\u6216\u4e09\u4e2a\u53c2\u6570\uff0c\u5206\u522b\u8868\u793a\u8d77\u59cb\u503c\u3001\u7ed3\u675f\u503c\u548c\u6b65\u957f\u3002<\/p>\n<\/p>\n

1. range()<\/code>\u51fd\u6570\u7684\u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n

\u4f7f\u7528range()<\/code>\u51fd\u6570\u53ef\u4ee5\u8f7b\u677e\u5730\u751f\u6210\u4e00\u4e2a\u6574\u6570\u5e8f\u5217\u3002\u6700\u7b80\u5355\u7684\u7528\u6cd5\u662f\u63d0\u4f9b\u4e00\u4e2a\u7ed3\u675f\u503c\uff1a<\/p>\n<\/p>\n

for x in range(10):<\/p>\n
    print(x)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u6253\u53700\u52309\u7684\u6574\u6570\u3002\u6ce8\u610f\uff0crange()<\/code>\u51fd\u6570\u751f\u6210\u7684\u5e8f\u5217\u662f\u4ece0\u5f00\u59cb\u7684\uff0c\u5e76\u4e14\u4e0d\u5305\u62ec\u7ed3\u675f\u503c\u3002<\/p>\n<\/p>\n
2. range()<\/code>\u51fd\u6570\u7684\u9ad8\u7ea7\u7528\u6cd5<\/h4>\n<\/p>\n
range()<\/code>\u51fd\u6570\u4e5f\u53ef\u4ee5\u63a5\u6536\u4e24\u4e2a\u53c2\u6570\uff0c\u8868\u793a\u8d77\u59cb\u503c\u548c\u7ed3\u675f\u503c\uff0c\u6216\u8005\u4e09\u4e2a\u53c2\u6570\uff0c\u6dfb\u52a0\u6b65\u957f\uff1a<\/p>\n<\/p>\n
for x in range(1, 10):<\/p>\n
    print(x)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u6253\u53701\u52309\u7684\u6574\u6570\u3002\u901a\u8fc7\u6dfb\u52a0\u6b65\u957f\u53c2\u6570\uff0c\u53ef\u4ee5\u751f\u6210\u4e00\u4e2a\u7279\u5b9a\u95f4\u9694\u7684\u5e8f\u5217\uff1a<\/p>\n<\/p>\n
for x in range(0, 10, 2):<\/p>\n
    print(x)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa0, 2, 4, 6, 8\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u5b9a\u4e49\u81ea\u5b9a\u4e49\u8303\u56f4<\/h3>\n<\/p>\n
\u5bf9\u4e8e\u975e\u6574\u6570\u6216\u4e0d\u89c4\u5219\u8303\u56f4\u7684\u9700\u6c42\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u51fd\u6570\u6216\u4f7f\u7528\u5217\u8868\u3001\u751f\u6210\u5668\u7b49\u65b9\u5f0f\u6765\u521b\u5efa\u81ea\u5b9a\u4e49\u8303\u56f4\u3002<\/p>\n<\/p>\n
1. \u4f7f\u7528\u5217\u8868<\/h4>\n<\/p>\n
\u53ef\u4ee5\u624b\u52a8\u5b9a\u4e49\u4e00\u4e2a\u5217\u8868\u6765\u8868\u793a\u8303\u56f4\uff1a<\/p>\n<\/p>\n
x_values = [0.1, 0.2, 0.3, 0.4]<\/p>\n
for x in x_values:<\/p>\n
    print(x)<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u4f7f\u7528\u751f\u6210\u5668<\/h4>\n<\/p>\n
\u751f\u6210\u5668\u63d0\u4f9b\u4e86\u4e00\u79cd\u52a8\u6001\u751f\u6210\u8303\u56f4\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
def custom_range(start, end, step):<\/p>\n
    current = start<\/p>\n
    while current < end:<\/p>\n
        yield current<\/p>\n
        current += step<\/p>\n
for x in custom_range(0, 1, 0.1):<\/p>\n
    print(x)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u751f\u6210\u5668\u51fd\u6570custom_range()<\/code>\uff0c\u53ef\u4ee5\u751f\u6210\u4ece0\u52301\u7684\u6d6e\u70b9\u6570\u5e8f\u5217\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528NumPy\u5e93\u4e2d\u7684\u51fd\u6570<\/h3>\n<\/p>\n
NumPy\u5e93\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6570\u503c\u5904\u7406\u529f\u80fd\uff0c\u5176\u4e2dlinspace()<\/code>\u548carange()<\/code>\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u6570\u503c\u8303\u56f4\u3002<\/p>\n<\/p>\n
1. linspace()<\/code>\u51fd\u6570<\/h4>\n<\/p>\n
linspace()<\/code>\u51fd\u6570\u7528\u4e8e\u751f\u6210\u6307\u5b9a\u6570\u91cf\u7684\u7b49\u95f4\u9694\u6570\u503c\uff1a<\/p>\n<\/p>\n
import numpy as np<\/p>\n
x_values = np.linspace(0, 1, 10)<\/p>\n
print(x_values)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u751f\u6210\u4ece0\u52301\u768410\u4e2a\u7b49\u95f4\u9694\u7684\u6d6e\u70b9\u6570\u3002<\/p>\n<\/p>\n
2. arange()<\/code>\u51fd\u6570<\/h4>\n<\/p>\n
arange()<\/code>\u51fd\u6570\u7c7b\u4f3c\u4e8erange()<\/code>\uff0c\u4f46\u652f\u6301\u6d6e\u70b9\u6570\uff1a<\/p>\n<\/p>\n
x_values = np.arange(0, 1, 0.1)<\/p>\n
print(x_values)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u751f\u6210\u4ece0\u52301\u7684\u6d6e\u70b9\u6570\uff0c\u95f4\u9694\u4e3a0.1\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u6761\u4ef6\u5224\u65ad\u6765\u9650\u5236\u8303\u56f4<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u6765\u9650\u5236\u53d8\u91cf\u7684\u8303\u56f4\u3002\u53ef\u4ee5\u4f7f\u7528\u6761\u4ef6\u5224\u65ad\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
1. \u4f7f\u7528if<\/code>\u8bed\u53e5<\/h4>\n<\/p>\n
\u901a\u8fc7\u5728\u5faa\u73af\u4e2d\u6dfb\u52a0\u6761\u4ef6\u5224\u65ad\uff0c\u53ef\u4ee5\u9650\u5236\u53d8\u91cf\u7684\u8303\u56f4\uff1a<\/p>\n<\/p>\n
for x in range(100):<\/p>\n
    if 10 <= x <= 20:<\/p>\n
        print(x)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa10\u523020\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n
2. \u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/h4>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u751f\u6210\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u8303\u56f4\uff1a<\/p>\n<\/p>\n
x_values = [x for x in range(100) if 10 <= x <= 20]<\/p>\n
print(x_values)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u751f\u6210\u4e00\u4e2a\u5217\u8868\uff0c\u5305\u542b10\u523020\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n
\u7ed3\u8bba<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u8868\u793a\u53d8\u91cf\u8303\u56f4\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u5177\u4f53\u9009\u62e9\u53d6\u51b3\u4e8e\u5e94\u7528\u573a\u666f\u548c\u5177\u4f53\u9700\u6c42\u3002range()<\/code>\u51fd\u6570\u9002\u7528\u4e8e\u6574\u6570\u5e8f\u5217\u3001linspace()<\/code>\u548carange()<\/code>\u9002\u7528\u4e8e\u6570\u503c\u8ba1\u7b97\u3001\u6761\u4ef6\u5224\u65ad\u548c\u81ea\u5b9a\u4e49\u51fd\u6570\u5219\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027<\/strong>\u3002\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u9ad8\u6548\u5730\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u8303\u56f4\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u8303\u56f4\u7684\u53d8\u91cf\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528range()<\/code>\u51fd\u6570\u6765\u5b9a\u4e49\u4e00\u4e2a\u8303\u56f4\u3002\u8be5\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u4e00\u4e2a\u3001\u4e24\u4e2a\u6216\u4e09\u4e2a\u53c2\u6570\uff0c\u5206\u522b\u8868\u793a\u8d77\u59cb\u503c\u3001\u7ed3\u675f\u503c\u548c\u6b65\u957f\u3002\u4f8b\u5982\uff0crange(1, 10)<\/code>\u8868\u793a\u4ece1\u52309\u7684\u6574\u6570\uff0crange(1, 10, 2)<\/code>\u5219\u8868\u793a\u4ece1\u52309\u7684\u5947\u6570\uff081, 3, 5, 7, 9\uff09\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u68c0\u67e5\u4e00\u4e2a\u6570\u662f\u5426\u5728\u7279\u5b9a\u8303\u56f4\u5185\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528Python\u7684\u6bd4\u8f83\u8fd0\u7b97\u7b26\u6765\u68c0\u67e5\u4e00\u4e2a\u6570\u662f\u5426\u5728\u67d0\u4e2a\u8303\u56f4\u5185\u3002\u4f8b\u5982\uff0c\u4f7f\u7528if<\/code>\u8bed\u53e5\u7ed3\u5408and<\/code>\u8fd0\u7b97\u7b26\uff0c\u53ef\u4ee5\u9a8c\u8bc1\u4e00\u4e2a\u53d8\u91cfx<\/code>\u662f\u5426\u5728min_value<\/code>\u548cmax_value<\/code>\u4e4b\u95f4\uff1aif min_value <= x <= max_value:<\/code>\u3002\u8fd9\u79cd\u65b9\u5f0f\u7b80\u5355\u660e\u4e86\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u60c5\u51b5\u3002<\/p>\n
Python\u652f\u6301\u54ea\u4e9b\u6570\u636e\u7ed3\u6784\u6765\u8868\u793a\u8303\u56f4\uff1f<\/strong>
\u9664\u4e86\u4f7f\u7528range()<\/code>\u51fd\u6570\uff0cPython\u8fd8\u652f\u6301\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u6765\u8868\u793a\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528list<\/code>\u6216set<\/code>\u6765\u521b\u5efa\u4e00\u4e2a\u7279\u5b9a\u8303\u56f4\u5185\u7684\u96c6\u5408\u3002\u5982\u679c\u9700\u8981\u66f4\u590d\u6742\u7684\u8303\u56f4\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528numpy<\/code>\u5e93\u4e2d\u7684numpy.arange()<\/code>\u6216numpy.linspace()<\/code>\u51fd\u6570\uff0c\u8fd9\u4e9b\u51fd\u6570\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u7075\u6d3b\u6027\u548c\u529f\u80fd\uff0c\u9002\u5408\u79d1\u5b66\u8ba1\u7b97\u548c\u6570\u636e\u5206\u6790\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u8868\u793a\u53d8\u91cfx\u7684\u8303\u56f4\u6709\u51e0\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\uff0c\u4f7f\u7528range()\u51fd\u6570\u3001\u5b9a\u4e49\u81ea\u5b9a\u4e49\u8303\u56f4\u3001\u4f7f\u7528NumPy\u5e93\u4e2d […]","protected":false},"author":3,"featured_media":999980,"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\/999967"}],"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=999967"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/999967\/revisions"}],"predecessor-version":[{"id":999983,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/999967\/revisions\/999983"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/999980"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=999967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=999967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=999967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}