{"id":1064631,"date":"2024-12-31T16:10:43","date_gmt":"2024-12-31T08:10:43","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1064631.html"},"modified":"2024-12-31T16:10:45","modified_gmt":"2024-12-31T08:10:45","slug":"python%e5%a6%82%e4%bd%95%e8%87%aa%e5%ae%9a%e4%b9%89%e8%bf%94%e5%9b%9e%e5%80%bc","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1064631.html","title":{"rendered":"python\u5982\u4f55\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c"},"content":{"rendered":"

\"python\u5982\u4f55\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c\"<\/p>\n

Python\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\uff1a\u5b9a\u4e49\u51fd\u6570\u8fd4\u56de\u503c\u3001\u4f7f\u7528\u7c7b\u548c\u5bf9\u8c61\u3001\u4f7f\u7528\u751f\u6210\u5668\u3001\u4f7f\u7528\u88c5\u9970\u5668<\/strong>\u3002\u5176\u4e2d\uff0c\u5b9a\u4e49\u51fd\u6570\u8fd4\u56de\u503c\u662f\u6700\u5e38\u89c1\u548c\u57fa\u7840\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u5b9a\u4e49\u51fd\u6570\u8fd4\u56de\u503c\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u8fd4\u56de\u5355\u4e2a\u503c\u3001\u5143\u7ec4\u3001\u5217\u8868\u6216\u5b57\u5178\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u901a\u8fc7\u5b9e\u9645\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u8bf4\u660e\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b9a\u4e49\u51fd\u6570\u8fd4\u56de\u503c<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u5b9a\u4e49\u51fd\u6570\u8fd4\u56de\u503c\u662f\u4e00\u79cd\u6700\u5e38\u89c1\u7684\u65b9\u5f0f\u3002\u53ef\u4ee5\u901a\u8fc7return<\/code>\u8bed\u53e5\u6765\u8fd4\u56de\u5355\u4e2a\u503c\u3001\u591a\u4e2a\u503c\uff08\u5143\u7ec4\uff09\u3001\u5217\u8868\u6216\u5b57\u5178\u3002<\/p>\n<\/p>\n

\u8fd4\u56de\u5355\u4e2a\u503c<\/h3>\n<\/p>\n

def get_square(num):<\/p>\n
    return num * num<\/p>\n
result = get_square(4)<\/p>\n
print(result)  # \u8f93\u51fa\uff1a16<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u51fd\u6570get_square<\/code>\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570num<\/code>\uff0c\u5e76\u8fd4\u56denum<\/code>\u7684\u5e73\u65b9\u3002<\/p>\n<\/p>\n
\u8fd4\u56de\u591a\u4e2a\u503c\uff08\u5143\u7ec4\uff09<\/h3>\n<\/p>\n
def get_square_and_cube(num):<\/p>\n
    return num * num, num * num * num<\/p>\n
square, cube = get_square_and_cube(3)<\/p>\n
print(square)  # \u8f93\u51fa\uff1a9<\/p>\n
print(cube)    # \u8f93\u51fa\uff1a27<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u51fd\u6570get_square_and_cube<\/code>\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u5e73\u65b9\u548c\u7acb\u65b9\u7684\u5143\u7ec4\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u89e3\u5305\u5143\u7ec4\u6765\u83b7\u53d6\u591a\u4e2a\u8fd4\u56de\u503c\u3002<\/p>\n<\/p>\n
\u8fd4\u56de\u5217\u8868<\/h3>\n<\/p>\n
def get_square_and_cube_list(num):<\/p>\n
    return [num * num, num * num * num]<\/p>\n
result = get_square_and_cube_list(5)<\/p>\n
print(result)  # \u8f93\u51fa\uff1a[25, 125]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u51fd\u6570get_square_and_cube_list<\/code>\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u5e73\u65b9\u548c\u7acb\u65b9\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u8fd4\u56de\u5b57\u5178<\/h3>\n<\/p>\n
def get_square_and_cube_dict(num):<\/p>\n
    return {'square': num * num, 'cube': num * num * num}<\/p>\n
result = get_square_and_cube_dict(2)<\/p>\n
print(result)  # \u8f93\u51fa\uff1a{'square': 4, 'cube': 8}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u51fd\u6570get_square_and_cube_dict<\/code>\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u5e73\u65b9\u548c\u7acb\u65b9\u7684\u5b57\u5178\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u7c7b\u548c\u5bf9\u8c61<\/p>\n<\/p>\n
\u5728\u4e00\u4e9b\u590d\u6742\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u4f7f\u7528\u7c7b\u548c\u5bf9\u8c61\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u5730\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c\u3002\u901a\u8fc7\u5b9a\u4e49\u7c7b\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8fd4\u56de\u7c7b\u7684\u5b9e\u4f8b\u6216\u5176\u4ed6\u81ea\u5b9a\u4e49\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u7c7b\u7684\u5b9e\u4f8b<\/h3>\n<\/p>\n
class Shape:<\/p>\n
    def __init__(self, length, width):<\/p>\n
        self.length = length<\/p>\n
        self.width = width<\/p>\n
    def area(self):<\/p>\n
        return self.length * self.width<\/p>\n
rectangle = Shape(4, 5)<\/p>\n
print(rectangle.area())  # \u8f93\u51fa\uff1a20<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aShape<\/code>\u7c7b\uff0c\u5e76\u4f7f\u7528\u7c7b\u7684\u65b9\u6cd5area<\/code>\u6765\u8ba1\u7b97\u77e9\u5f62\u7684\u9762\u79ef\u3002\u65b9\u6cd5area<\/code>\u8fd4\u56de\u7c7b\u7684\u5b9e\u4f8b\u5c5e\u6027\u8ba1\u7b97\u7684\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u81ea\u5b9a\u4e49\u5bf9\u8c61<\/h3>\n<\/p>\n
class Result:<\/p>\n
    def __init__(self, square, cube):<\/p>\n
        self.square = square<\/p>\n
        self.cube = cube<\/p>\n
def get_square_and_cube(num):<\/p>\n
    return Result(num * num, num * num * num)<\/p>\n
result = get_square_and_cube(3)<\/p>\n
print(result.square)  # \u8f93\u51fa\uff1a9<\/p>\n
print(result.cube)    # \u8f93\u51fa\uff1a27<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aResult<\/code>\u7c7b\uff0c\u5e76\u4f7f\u7528\u5b83\u6765\u5b58\u50a8\u5e73\u65b9\u548c\u7acb\u65b9\u7684\u7ed3\u679c\u3002\u51fd\u6570get_square_and_cube<\/code>\u8fd4\u56de\u4e00\u4e2aResult<\/code>\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u5305\u542b\u5e73\u65b9\u548c\u7acb\u65b9\u7684\u503c\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u751f\u6210\u5668<\/p>\n<\/p>\n
\u751f\u6210\u5668\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u8fed\u4ee3\u5668\uff0c\u53ef\u4ee5\u9010\u4e2a\u8fd4\u56de\u503c\u3002\u751f\u6210\u5668\u4f7f\u7528yield<\/code>\u8bed\u53e5\u6765\u8fd4\u56de\u503c\uff0c\u800c\u4e0d\u662freturn<\/code>\u8bed\u53e5\u3002\u751f\u6210\u5668\u9002\u7528\u4e8e\u8fd4\u56de\u5927\u91cf\u6570\u636e\u6216\u9700\u8981\u9010\u6b65\u8ba1\u7b97\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u751f\u6210\u5668\u8fd4\u56de\u503c<\/h3>\n<\/p>\n
def generate_squares(n):<\/p>\n
    for i in range(n):<\/p>\n
        yield i * i<\/p>\n
for square in generate_squares(5):<\/p>\n
    print(square)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u751f\u6210\u5668\u51fd\u6570generate_squares<\/code>\u9010\u4e2a\u8fd4\u56de\u4ece0\u5230n-1<\/code>\u7684\u5e73\u65b9\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528for<\/code>\u5faa\u73af\u6765\u8fed\u4ee3\u751f\u6210\u5668\u8fd4\u56de\u7684\u503c\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u88c5\u9970\u5668<\/p>\n<\/p>\n
\u88c5\u9970\u5668\u662f\u4e00\u79cd\u7528\u4e8e\u4fee\u6539\u51fd\u6570\u6216\u65b9\u6cd5\u884c\u4e3a\u7684\u9ad8\u7ea7\u6280\u672f\u3002\u901a\u8fc7\u88c5\u9970\u5668\uff0c\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u539f\u51fd\u6570\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\uff0c\u81ea\u5b9a\u4e49\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u88c5\u9970\u5668\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c<\/h3>\n<\/p>\n
def multiply_decorator(factor):<\/p>\n
    def decorator(func):<\/p>\n
        def wrapper(*args, kwargs):<\/p>\n
            result = func(*args, kwargs)<\/p>\n
            return result * factor<\/p>\n
        return wrapper<\/p>\n
    return decorator<\/p>\n
@multiply_decorator(10)<\/p>\n
def get_number():<\/p>\n
    return 5<\/p>\n
print(get_number())  # \u8f93\u51fa\uff1a50<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u88c5\u9970\u5668multiply_decorator<\/code>\uff0c\u8be5\u88c5\u9970\u5668\u63a5\u6536\u4e00\u4e2afactor<\/code>\u53c2\u6570\uff0c\u5e76\u5c06\u51fd\u6570\u7684\u8fd4\u56de\u503c\u4e58\u4ee5factor<\/code>\u3002\u6211\u4eec\u4f7f\u7528\u88c5\u9970\u5668\u6765\u88c5\u9970\u51fd\u6570get_number<\/code>\uff0c\u4f7f\u5176\u8fd4\u56de\u503c\u4e58\u4ee510\u3002<\/p>\n<\/p>\n
\u4ee5\u4e0a\u662fPython\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c\u7684\u51e0\u79cd\u5e38\u7528\u65b9\u6cd5\u3002\u6839\u636e\u5b9e\u9645\u9700\u6c42\uff0c\u53ef\u4ee5\u9009\u62e9\u9002\u5408\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\uff0c\u7075\u6d3b\u5904\u7406\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91\u548c\u6570\u636e\u8fd4\u56de\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u81ea\u5b9a\u4e49\u51fd\u6570\u4ee5\u8fd4\u56de\u7279\u5b9a\u503c\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u6765\u5b9e\u73b0\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c\u3002\u4f7f\u7528def<\/code>\u5173\u952e\u5b57\u521b\u5efa\u51fd\u6570\uff0c\u5e76\u4f7f\u7528return<\/code>\u8bed\u53e5\u6307\u5b9a\u8981\u8fd4\u56de\u7684\u503c\u3002\u60a8\u53ef\u4ee5\u8fd4\u56de\u5355\u4e2a\u503c\u3001\u591a\u4e2a\u503c\uff08\u4ee5\u5143\u7ec4\u5f62\u5f0f\uff09\u6216\u751a\u81f3\u6570\u636e\u7ed3\u6784\uff08\u5982\u5b57\u5178\u6216\u5217\u8868\uff09\u3002\u4f8b\u5982\uff1a  <\/p>\n
def calculate_area(length, width):\n    return length * width\n<\/code><\/pre>\n
\u8c03\u7528\u8be5\u51fd\u6570\u65f6\uff0c\u5c06\u8fd4\u56de\u8ba1\u7b97\u51fa\u7684\u9762\u79ef\u3002<\/p>\n
\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c\u65f6\u5982\u4f55\u5904\u7406\u5f02\u5e38\u60c5\u51b5\uff1f<\/strong>
\u5728\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5904\u7406\u5f02\u5e38\u975e\u5e38\u91cd\u8981\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528try<\/code>\u548cexcept<\/code>\u5757\u6765\u6355\u83b7\u53ef\u80fd\u53d1\u751f\u7684\u9519\u8bef\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u6709\u610f\u4e49\u7684\u503c\u6216\u6d88\u606f\u3002\u4f8b\u5982\uff1a  <\/p>\n
def SAFe<\/a>_divide(a, b):\n    try:\n        return a \/ b\n    except ZeroDivisionError:\n        return "\u65e0\u6cd5\u9664\u4ee5\u96f6"\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u786e\u4fdd\u51fd\u6570\u5728\u51fa\u73b0\u5f02\u5e38\u65f6\u4e0d\u4f1a\u5d29\u6e83\uff0c\u5e76\u4e14\u8fd4\u56de\u4e00\u4e2a\u6613\u4e8e\u7406\u89e3\u7684\u6d88\u606f\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u7c7b\u548c\u65b9\u6cd5\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c\uff1f<\/strong>
\u4f7f\u7528\u7c7b\u548c\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u5730\u5b9a\u4e49\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c\u3002\u7c7b\u7684__init__<\/code>\u65b9\u6cd5\u53ef\u4ee5\u521d\u59cb\u5316\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u800c\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u8fd4\u56de\u8fd9\u4e9b\u5c5e\u6027\u7684\u8ba1\u7b97\u7ed3\u679c\u3002\u4f8b\u5982\uff1a  <\/p>\n
class Rectangle:\n    def __init__(self, length, width):\n        self.length = length\n        self.width = width\n        \n    def area(self):\n        return self.length * self.width\n<\/code><\/pre>\n
\u901a\u8fc7\u521b\u5efaRectangle<\/code>\u7c7b\u7684\u5b9e\u4f8b\u5e76\u8c03\u7528area<\/code>\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u83b7\u53d6\u77e9\u5f62\u7684\u9762\u79ef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u81ea\u5b9a\u4e49\u8fd4\u56de\u503c\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\uff1a\u5b9a\u4e49\u51fd\u6570\u8fd4\u56de\u503c\u3001\u4f7f\u7528\u7c7b\u548c\u5bf9\u8c61\u3001\u4f7f\u7528\u751f\u6210\u5668\u3001\u4f7f\u7528\u88c5\u9970\u5668\u3002\u5176\u4e2d\uff0c\u5b9a\u4e49\u51fd […]","protected":false},"author":3,"featured_media":1064643,"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\/1064631"}],"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=1064631"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1064631\/revisions"}],"predecessor-version":[{"id":1064647,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1064631\/revisions\/1064647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1064643"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1064631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1064631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1064631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}