{"id":1168623,"date":"2025-01-15T16:00:25","date_gmt":"2025-01-15T08:00:25","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1168623.html"},"modified":"2025-01-15T16:00:27","modified_gmt":"2025-01-15T08:00:27","slug":"python%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96%e5%85%83%e7%bb%84%e7%9a%84%e5%80%bc","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1168623.html","title":{"rendered":"python\u5982\u4f55\u83b7\u53d6\u5143\u7ec4\u7684\u503c"},"content":{"rendered":"

\"python\u5982\u4f55\u83b7\u53d6\u5143\u7ec4\u7684\u503c\"<\/p>\n

Python\u83b7\u53d6\u5143\u7ec4\u7684\u503c\u7684\u65b9\u6cd5\u5305\u62ec\u7d22\u5f15\u3001\u5207\u7247\u3001\u904d\u5386\u3001\u89e3\u5305\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u7b49\u3002<\/strong>\u5176\u4e2d\uff0c\u7d22\u5f15\u548c\u89e3\u5305\u662f\u6700\u5e38\u7528\u7684\u4e24\u79cd\u65b9\u6cd5\u3002\u7d22\u5f15\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u4f4d\u7f6e\u83b7\u53d6\u7279\u5b9a\u5143\u7d20\uff0c\u89e3\u5305\u53ef\u4ee5\u5c06\u5143\u7ec4\u4e2d\u7684\u5143\u7d20\u5206\u522b\u8d4b\u503c\u7ed9\u591a\u4e2a\u53d8\u91cf\u3002<\/strong><\/p>\n<\/p>\n

\u4e00\u3001\u7d22\u5f15<\/h3>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u5143\u7ec4\u662f\u4e00\u4e2a\u6709\u5e8f\u7684\u3001\u4e0d\u53ef\u53d8\u7684\u5e8f\u5217\u3002\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u6765\u83b7\u53d6\u5143\u7ec4\u4e2d\u7684\u7279\u5b9a\u5143\u7d20\u3002\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u8d1f\u7d22\u5f15\u4ece-1\u5f00\u59cb\u3002<\/p>\n<\/p>\n

t = (1, 2, 3, 4, 5)<\/p>\n
print(t[0])  # \u8f93\u51fa1<\/p>\n
print(t[-1])  # \u8f93\u51fa5<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u7d22\u5f15\uff0c\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5143\u7ec4\u4e2d\u7684\u7279\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\u3002\u5982\u679c\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\uff0c\u4f1a\u5f15\u53d1IndexError<\/code>\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u5207\u7247<\/h3>\n<\/p>\n
\u5207\u7247\u662f\u83b7\u53d6\u5143\u7ec4\u4e2d\u4e00\u90e8\u5206\u5143\u7d20\u7684\u53e6\u4e00\u79cd\u65b9\u6cd5\u3002\u4f7f\u7528\u5207\u7247\u53ef\u4ee5\u65b9\u4fbf\u5730\u83b7\u53d6\u5143\u7ec4\u7684\u5b50\u5143\u7ec4\u3002<\/p>\n<\/p>\n
t = (1, 2, 3, 4, 5)<\/p>\n
print(t[1:3])  # \u8f93\u51fa(2, 3)<\/p>\n
print(t[:2])  # \u8f93\u51fa(1, 2)<\/p>\n
print(t[3:])  # \u8f93\u51fa(4, 5)<\/p>\n
print(t[-3:])  # \u8f93\u51fa(3, 4, 5)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5207\u7247\u64cd\u4f5c\u4e0d\u4f1a\u5f15\u53d1IndexError<\/code>\uff0c\u5373\u4f7f\u5207\u7247\u7684\u8303\u56f4\u8d85\u51fa\u5143\u7ec4\u7684\u957f\u5ea6\uff0c\u8fd4\u56de\u7684\u4e5f\u53ea\u662f\u5c3d\u53ef\u80fd\u591a\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u904d\u5386<\/h3>\n<\/p>\n
\u904d\u5386\u5143\u7ec4\u53ef\u4ee5\u901a\u8fc7for<\/code>\u5faa\u73af\u6765\u5b9e\u73b0\uff0c\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u9010\u4e2a\u8bbf\u95ee\u5143\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
t = (1, 2, 3, 4, 5)<\/p>\n
for item in t:<\/p>\n
    print(item)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u904d\u5386\u5143\u7ec4\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528enumerate<\/code>\u51fd\u6570\u540c\u65f6\u83b7\u53d6\u5143\u7d20\u7684\u7d22\u5f15\u548c\u503c\u3002<\/p>\n<\/p>\n
t = (1, 2, 3, 4, 5)<\/p>\n
for index, value in enumerate(t):<\/p>\n
    print(f"Index: {index}, Value: {value}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u89e3\u5305<\/h3>\n<\/p>\n
\u89e3\u5305\u662f\u5c06\u5143\u7ec4\u4e2d\u7684\u5143\u7d20\u5206\u522b\u8d4b\u503c\u7ed9\u591a\u4e2a\u53d8\u91cf\u7684\u8fc7\u7a0b\u3002\u8fd9\u79cd\u65b9\u6cd5\u7279\u522b\u9002\u7528\u4e8e\u5143\u7ec4\u7684\u957f\u5ea6\u5df2\u77e5\u4e14\u9700\u8981\u5206\u522b\u5904\u7406\u6bcf\u4e2a\u5143\u7d20\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
t = (1, 2, 3)<\/p>\n
a, b, c = t<\/p>\n
print(a, b, c)  # \u8f93\u51fa1 2 3<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u51fd\u6570\u8fd4\u56de\u591a\u4e2a\u503c\u65f6\uff0c\u5e38\u7528\u5143\u7ec4\u89e3\u5305\u6765\u83b7\u53d6\u5404\u4e2a\u8fd4\u56de\u503c\u3002<\/p>\n<\/p>\n
def get_coordinates():<\/p>\n
    return (10, 20)<\/p>\n
x, y = get_coordinates()<\/p>\n
print(f"x: {x}, y: {y}")  # \u8f93\u51fax: 10, y: 20<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570<\/h3>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u51fd\u6570\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u64cd\u4f5c\u5143\u7ec4\uff0c\u4f8b\u5982len<\/code>\u3001max<\/code>\u3001min<\/code>\u7b49\u3002<\/p>\n<\/p>\n
t = (1, 2, 3, 4, 5)<\/p>\n
print(len(t))  # \u8f93\u51fa5<\/p>\n
print(max(t))  # \u8f93\u51fa5<\/p>\n
print(min(t))  # \u8f93\u51fa1<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e9b\u5185\u7f6e\u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5feb\u901f\u83b7\u53d6\u5143\u7ec4\u7684\u957f\u5ea6\u3001\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\u7b49\u4fe1\u606f\u3002<\/p>\n<\/p>\n
\u516d\u3001\u5d4c\u5957\u5143\u7ec4\u7684\u8bbf\u95ee<\/h3>\n<\/p>\n
\u5143\u7ec4\u53ef\u4ee5\u5305\u542b\u5176\u4ed6\u5143\u7ec4\u4f5c\u4e3a\u5143\u7d20\uff0c\u8fd9\u79cd\u60c5\u51b5\u79f0\u4e3a\u5d4c\u5957\u5143\u7ec4\u3002\u8bbf\u95ee\u5d4c\u5957\u5143\u7ec4\u4e2d\u7684\u5143\u7d20\u9700\u8981\u591a\u5c42\u7d22\u5f15\u3002<\/p>\n<\/p>\n
t = (1, 2, (3, 4, 5), 6)<\/p>\n
print(t[2])  # \u8f93\u51fa(3, 4, 5)<\/p>\n
print(t[2][1])  # \u8f93\u51fa4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5d4c\u5957\u5143\u7ec4\u7684\u8bbf\u95ee\u9700\u8981\u9010\u5c42\u7d22\u5f15\uff0c\u76f4\u81f3\u8bbf\u95ee\u5230\u6700\u7ec8\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u5143\u7ec4\u7684\u4e0d\u53ef\u53d8\u6027<\/h3>\n<\/p>\n
\u5143\u7ec4\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u70b9\u662f\u4e0d\u53ef\u53d8\u6027\u3002\u521b\u5efa\u5143\u7ec4\u540e\uff0c\u4e0d\u80fd\u4fee\u6539\u5176\u5143\u7d20\u7684\u503c\u3002\u8fd9\u610f\u5473\u7740\u4e0d\u80fd\u901a\u8fc7\u7d22\u5f15\u4fee\u6539\u5143\u7ec4\u4e2d\u7684\u67d0\u4e2a\u5143\u7d20\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u91cd\u65b0\u8d4b\u503c\u6574\u4e2a\u5143\u7ec4\u6765\u5b9e\u73b0\u201c\u4fee\u6539\u201d\u3002<\/p>\n<\/p>\n
t = (1, 2, 3)<\/p>\n
t[0] = 4  # \u8fd9\u5c06\u5f15\u53d1TypeError<\/strong><\/h2>\n
t = (4, 2, 3)  # \u91cd\u65b0\u8d4b\u503c\u6574\u4e2a\u5143\u7ec4<\/p>\n
print(t)  # \u8f93\u51fa(4, 2, 3)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001\u5143\u7ec4\u548c\u5217\u8868\u7684\u8f6c\u6362<\/h3>\n<\/p>\n
\u867d\u7136\u5143\u7ec4\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u4f46\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\uff0c\u8fdb\u884c\u4fee\u6539\u540e\u518d\u8f6c\u6362\u56de\u5143\u7ec4\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u9700\u8981\u4fee\u6539\u5143\u7ec4\u5185\u5bb9\u65f6\u4f7f\u7528\u3002<\/p>\n<\/p>\n
t = (1, 2, 3)<\/p>\n
l = list(t)<\/p>\n
l[0] = 4<\/p>\n
t = tuple(l)<\/p>\n
print(t)  # \u8f93\u51fa(4, 2, 3)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u7e41\u7410\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u5143\u7ec4\u4f5c\u4e3a\u5b57\u5178\u7684\u952e<\/h3>\n<\/p>\n
\u7531\u4e8e\u5143\u7ec4\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u53ef\u4ee5\u5c06\u5176\u7528\u4f5c\u5b57\u5178\u7684\u952e\u3002\u8fd9\u5728\u9700\u8981\u590d\u5408\u952e\u7684\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
d = {}<\/p>\n
key = (1, 2)<\/p>\n
d[key] = "value"<\/p>\n
print(d)  # \u8f93\u51fa{(1, 2): 'value'}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5143\u7ec4\u7684\u4e0d\u53ef\u53d8\u6027\u4f7f\u5176\u6210\u4e3a\u5b57\u5178\u952e\u7684\u7406\u60f3\u9009\u62e9\uff0c\u56e0\u4e3a\u5b57\u5178\u952e\u5fc5\u987b\u662f\u4e0d\u53ef\u53d8\u7684\u3002<\/p>\n<\/p>\n
\u5341\u3001\u5143\u7ec4\u7684\u6bd4\u8f83<\/h3>\n<\/p>\n
\u5143\u7ec4\u53ef\u4ee5\u901a\u8fc7\u6bd4\u8f83\u8fd0\u7b97\u7b26\u8fdb\u884c\u6bd4\u8f83\u3002\u6bd4\u8f83\u662f\u57fa\u4e8e\u5b57\u5178\u5e8f\u8fdb\u884c\u7684\uff0c\u5373\u9996\u5148\u6bd4\u8f83\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u5982\u679c\u76f8\u7b49\u5219\u6bd4\u8f83\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n<\/p>\n
t1 = (1, 2, 3)<\/p>\n
t2 = (1, 2, 4)<\/p>\n
print(t1 < t2)  # \u8f93\u51faTrue<\/p>\n
print(t1 == t2)  # \u8f93\u51faFalse<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u6bd4\u8f83\u65b9\u5f0f\u4f7f\u5f97\u5143\u7ec4\u5728\u6392\u5e8f\u548c\u5176\u4ed6\u9700\u8981\u987a\u5e8f\u6bd4\u8f83\u7684\u64cd\u4f5c\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
\u5341\u4e00\u3001\u5143\u7ec4\u7684\u6210\u5458\u68c0\u6d4b<\/h3>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528in<\/code>\u548cnot in<\/code>\u8fd0\u7b97\u7b26\u68c0\u67e5\u5143\u7ec4\u4e2d\u662f\u5426\u5305\u542b\u67d0\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n
t = (1, 2, 3, 4, 5)<\/p>\n
print(3 in t)  # \u8f93\u51faTrue<\/p>\n
print(6 not in t)  # \u8f93\u51faTrue<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u7b80\u6d01\uff0c\u53ef\u4ee5\u5feb\u901f\u68c0\u67e5\u5143\u7ec4\u662f\u5426\u5305\u542b\u67d0\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u5341\u4e8c\u3001\u5143\u7ec4\u7684\u5e38\u89c1\u64cd\u4f5c<\/h3>\n<\/p>\n
\u9664\u4e86\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u5143\u7ec4\u8fd8\u652f\u6301\u4e00\u4e9b\u5e38\u89c1\u64cd\u4f5c\uff0c\u4f8b\u5982\u8fde\u63a5\u548c\u91cd\u590d\u3002<\/p>\n<\/p>\n
t1 = (1, 2, 3)<\/p>\n
t2 = (4, 5, 6)<\/p>\n
print(t1 + t2)  # \u8f93\u51fa(1, 2, 3, 4, 5, 6)<\/p>\n
print(t1 * 2)  # \u8f93\u51fa(1, 2, 3, 1, 2, 3)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5728\u4e0d\u4fee\u6539\u539f\u59cb\u5143\u7ec4\u7684\u60c5\u51b5\u4e0b\u751f\u6210\u65b0\u7684\u5143\u7ec4\u3002<\/p>\n<\/p>\n
\u5341\u4e09\u3001\u5143\u7ec4\u7684\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n
\u5143\u7ec4\u5728Python\u4e2d\u6709\u5f88\u591a\u5e94\u7528\u573a\u666f\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n<\/p>\n