\u76ee\u5f55<\/p>\n
\u524d\u8a00<\/p>\n
\u4e00\u3001\u51fd\u6570\u7684\u57fa\u672c\u5b9a\u4e49\u4e0e\u8c03\u7528<\/p>\n
1. \u51fd\u6570\u5b9a\u4e49<\/p>\n
2. \u51fd\u6570\u8c03\u7528<\/p>\n
\u4e8c\u3001\u51fd\u6570\u7684\u53c2\u6570<\/p>\n
1. \u4f4d\u7f6e\u53c2\u6570（\u5fc5\u9009\u53c2\u6570）<\/p>\n
2. \u5173\u952e\u5b57\u53c2\u6570<\/p>\n
3. \u9ed8\u8ba4\u53c2\u6570<\/p>\n
4. \u53ef\u53d8\u53c2\u6570（*args）<\/p>\n
5. \u5173\u952e\u5b57\u53ef\u53d8\u53c2\u6570（**kwargs）<\/p>\n
\u4e09\u3001\u51fd\u6570\u7684\u8fd4\u56de\u503c<\/p>\n
\u56db\u3001\u51fd\u6570\u7684\u6587\u6863\u5b57\u7b26\u4e32（Docstring）<\/p>\n
\u4e94\u3001\u51fd\u6570\u7684\u4f5c\u7528\u57df<\/p>\n
\u516d\u3001\u533f\u540d\u51fd\u6570（lambda）<\/p>\n
\u4e03\u3001\u9ad8\u9636\u51fd\u6570<\/p>\n
\u516b\u3001\u51fd\u6570\u7684\u88c5\u9970\u5668（Decorator）<\/p>\n
\u603b\u7ed3<\/p>\n
\u51fd\u6570\u662fPython\u7f16\u7a0b\u4e2d\u7ec4\u7ec7\u4ee3\u7801\u7684\u57fa\u672c\u5355\u5143，\u5c06\u7279\u5b9a\u529f\u80fd\u5c01\u88c5\u4e3a\u53ef\u91cd\u590d\u8c03\u7528\u7684\u6a21\u5757\u3002\u901a\u8fc7\u51fd\u6570\u53ef\u4ee5\u5b9e\u73b0\u4ee3\u7801\u590d\u7528\u3001\u903b\u8f91\u62bd\u8c61\u548c\u95ee\u9898\u5206\u89e3，\u63d0\u5347\u7a0b\u5e8f\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n
\u4f7f\u7528\u00a0def\u00a0\u5173\u952e\u5b57\u5b9a\u4e49\u51fd\u6570，\u57fa\u672c\u8bed\u6cd5：<\/p>\n
def \u51fd\u6570\u540d(\u53c2\u6570\u5217\u8868):
\n """\u51fd\u6570\u6587\u6863\u5b57\u7b26\u4e32（\u53ef\u9009）"""
\n \u51fd\u6570\u4f53（\u6267\u884c\u7684\u4ee3\u7801）
\n return \u8fd4\u56de\u503c（\u53ef\u9009）<\/p>\n
\u793a\u4f8b：<\/p>\n
def greet(name):
\n """\u5411\u6307\u5b9a\u540d\u79f0\u7684\u4eba\u6253\u62db\u547c"""
\n return f"Hello, {name}!"<\/p>\n
\u901a\u8fc7\u51fd\u6570\u540d\u52a0\u62ec\u53f7\u8c03\u7528\u51fd\u6570：<\/p>\n
message = greet("Alice")
\nprint(message) # \u8f93\u51fa: Hello, Alice!<\/p>\n
Python \u51fd\u6570\u7684\u53c2\u6570\u7c7b\u578b\u4e30\u5bcc，\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd：<\/p>\n
\u5fc5\u987b\u6309\u7167\u987a\u5e8f\u4f20\u9012\u7684\u53c2\u6570，\u6570\u91cf\u548c\u4f4d\u7f6e\u9700\u4e0e\u5b9a\u4e49\u4e00\u81f4：<\/p>\n
def add(a, b):
\n return a + b<\/p>\n
print(add(3, 5)) # \u8f93\u51fa: 8（3\u4f20\u7ed9a，5\u4f20\u7ed9b）<\/p>\n
\u8c03\u7528\u65f6\u6307\u5b9a\u53c2\u6570\u540d，\u53ef\u5ffd\u7565\u987a\u5e8f：<\/p>\n
print(add(b=5, a=3)) # \u8f93\u51fa: 8（\u660e\u786e\u6307\u5b9aa=3, b=5）<\/p>\n
\u5b9a\u4e49\u65f6\u6307\u5b9a\u9ed8\u8ba4\u503c，\u8c03\u7528\u65f6\u53ef\u7701\u7565：<\/p>\n
def greet(name, prefix="Hello"):
\n return f"{prefix}, {name}!"<\/p>\n
print(greet("Bob")) # \u8f93\u51fa: Hello, Bob!（\u4f7f\u7528\u9ed8\u8ba4prefix）
\nprint(greet("Bob", "Hi")) # \u8f93\u51fa: Hi, Bob!（\u8986\u76d6\u9ed8\u8ba4\u503c）<\/p>\n
\u6ce8\u610f：\u9ed8\u8ba4\u53c2\u6570\u5fc5\u987b\u653e\u5728\u4f4d\u7f6e\u53c2\u6570\u4e4b\u540e\u3002<\/p>\n
\u63a5\u6536\u4efb\u610f\u6570\u91cf\u7684\u4f4d\u7f6e\u53c2\u6570，\u4ee5\u5143\u7ec4\u5f62\u5f0f\u5b58\u50a8：<\/p>\n
def sum_numbers(*args):
\n return sum(args)<\/p>\n
print(sum_numbers(1, 2, 3)) # \u8f93\u51fa: 6
\nprint(sum_numbers(10, 20, 30, 40)) # \u8f93\u51fa: 100<\/p>\n
\u63a5\u6536\u4efb\u610f\u6570\u91cf\u7684\u5173\u952e\u5b57\u53c2\u6570，\u4ee5\u5b57\u5178\u5f62\u5f0f\u5b58\u50a8：<\/p>\n
def print_info(** kwargs):
\n for key, value in kwargs.items():
\n print(f"{key}: {value}")<\/p>\n
print_info(name="Alice", age=30, city="New York")
\n# \u8f93\u51fa:
\n# name: Alice
\n# age: 30
\n# city: New York<\/p>\n
name, age = get_name_and_age() # \u81ea\u52a8\u89e3\u5305
\nprint(name, age) # \u8f93\u51fa: Alice 30\n <\/li>\n<\/ul>\n
\u7528\u4e8e\u89e3\u91ca\u51fd\u6570\u529f\u80fd，\u53ef\u901a\u8fc7\u00a0help()\u00a0\u51fd\u6570\u6216\u00a0.__doc__\u00a0\u5c5e\u6027\u67e5\u770b：<\/p>\n
def area(radius):
\n """\u8ba1\u7b97\u5706\u7684\u9762\u79ef
\n \u53c2\u6570:
\n radius: \u5706\u7684\u534a\u5f84
\n \u8fd4\u56de:
\n \u5706\u7684\u9762\u79ef（\u03c0\u00d7r\u00b2）
\n """
\n import math
\n return math.pi * radius **2<\/p>\n
print(area.__doc__) # \u6253\u5370\u6587\u6863\u5b57\u7b26\u4e32
\nhelp(area) # \u66f4\u53cb\u597d\u7684\u683c\u5f0f\u663e\u793a\u5e2e\u52a9<\/p>\n
\u53d8\u91cf\u7684\u4f5c\u7528\u57df\u5206\u4e3a： 1.** \u5c40\u90e8\u53d8\u91cf\u00a0：\u51fd\u6570\u5185\u90e8\u5b9a\u4e49，\u4ec5\u5728\u51fd\u6570\u5185\u6709\u6548\u3002 2.\u00a0\u5168\u5c40\u53d8\u91cf **：\u51fd\u6570\u5916\u90e8\u5b9a\u4e49，\u6574\u4e2a\u6a21\u5757\u6709\u6548\u3002\u82e5\u9700\u5728\u51fd\u6570\u5185\u4fee\u6539\u5168\u5c40\u53d8\u91cf，\u9700\u7528\u00a0global\u00a0\u58f0\u660e：<\/p>\n
count = 0 # \u5168\u5c40\u53d8\u91cf<\/p>\n
def increment():
\n global count # \u58f0\u660e\u4f7f\u7528\u5168\u5c40\u53d8\u91cf
\n count += 1<\/p>\n
increment()
\nprint(count) # \u8f93\u51fa: 1<\/p>\n
3.** \u975e\u5c40\u90e8\u53d8\u91cf（nonlocal）**：\u7528\u4e8e\u5d4c\u5957\u51fd\u6570\u4e2d，\u4fee\u6539\u5916\u5c42\u51fd\u6570\u7684\u53d8\u91cf：<\/p>\n
def outer():
\n x = 10
\n def inner():
\n nonlocal x # \u58f0\u660e\u4f7f\u7528\u5916\u5c42\u51fd\u6570\u7684x
\n x += 5
\n inner()
\n return x<\/p>\n
print(outer()) # \u8f93\u51fa: 15<\/p>\n
\u7528\u00a0lambda\u00a0\u5173\u952e\u5b57\u5b9a\u4e49\u7684\u7b80\u77ed\u533f\u540d\u51fd\u6570，\u8bed\u6cd5：lambda \u53c2\u6570: \u8868\u8fbe\u5f0f<\/p>\n
add = lambda a, b: a + b
\nprint(add(3, 5)) # \u8f93\u51fa: 8<\/p>\n
# \u5e38\u7528\u4e8e\u9ad8\u9636\u51fd\u6570（\u5982sorted\u3001map\u7b49）
\nnumbers = [(2, 5), (1, 3), (4, 1)]
\nsorted_numbers = sorted(numbers, key=lambda x: x[1]) # \u6309\u5143\u7ec4\u7b2c\u4e8c\u4e2a\u5143\u7d20\u6392\u5e8f
\nprint(sorted_numbers) # \u8f93\u51fa: [(4, 1), (1, 3), (2, 5)]<\/p>\n
\u63a5\u53d7\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u6216\u8fd4\u56de\u51fd\u6570\u7684\u51fd\u6570：<\/p>\n
# \u63a5\u53d7\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570
\ndef apply_func(func, x, y):
\n return func(x, y)<\/p>\n
print(apply_func(add, 3, 5)) # \u8f93\u51fa: 8（add\u662f\u4e4b\u524d\u5b9a\u4e49\u7684\u51fd\u6570）<\/p>\n
# \u8fd4\u56de\u51fd\u6570
\ndef make_multiplier(n):
\n def multiplier(x):
\n return x * n
\n return multiplier<\/p>\n
double = make_multiplier(2)
\nprint(double(5)) # \u8f93\u51fa: 10<\/p>\n
\u7528\u4e8e\u5728\u4e0d\u4fee\u6539\u51fd\u6570\u4ee3\u7801\u7684\u524d\u63d0\u4e0b\u6269\u5c55\u51fd\u6570\u529f\u80fd，\u672c\u8d28\u662f\u9ad8\u9636\u51fd\u6570：<\/p>\n
def log_decorator(func):
\n def wrapper(*args, **kwargs):
\n print(f"\u8c03\u7528\u51fd\u6570: {func.__name__}")
\n result = func(*args, **kwargs)
\n print(f"\u51fd\u6570\u8fd4\u56de: {result}")
\n return result
\n return wrapper<\/p>\n
@log_decorator # \u7b49\u4ef7\u4e8e greet = log_decorator(greet)
\ndef greet(name):
\n return f"Hello, {name}!"<\/p>\n
greet("Alice")
\n# \u8f93\u51fa:
\n# \u8c03\u7528\u51fd\u6570: greet
\n# \u51fd\u6570\u8fd4\u56de: Hello, Alice! <\/p>\n
\u51fd\u6570\u662f Python \u7f16\u7a0b\u7684\u57fa\u7840，\u638c\u63e1\u5176\u5b9a\u4e49\u3001\u53c2\u6570\u3001\u8fd4\u56de\u503c\u3001\u4f5c\u7528\u57df\u53ca\u9ad8\u7ea7\u7279\u6027（\u5982\u88c5\u9970\u5668\u3001\u9ad8\u9636\u51fd\u6570），\u80fd\u663e\u8457\u63d0\u5347\u4ee3\u7801\u8d28\u91cf\u548c\u5f00\u53d1\u6548\u7387\u3002\u5408\u7406\u4f7f\u7528\u51fd\u6570\u53ef\u4ee5\u4f7f\u7a0b\u5e8f\u7ed3\u6784\u66f4\u6e05\u6670，\u4fbf\u4e8e\u7ef4\u62a4\u548c\u6269\u5c55\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb20\u6b21\u3002\u51fd\u6570\u662fPython\u7f16\u7a0b\u4e2d\u7ec4\u7ec7\u4ee3\u7801\u7684\u57fa\u672c\u5355\u5143\uff0c\u5c06\u7279\u5b9a\u529f\u80fd\u5c01\u88c5\u4e3a\u53ef\u91cd\u590d\u8c03\u7528\u7684\u6a21\u5757\u3002\u901a\u8fc7\u51fd\u6570\u53ef\u4ee5\u5b9e\u73b0\u4ee3\u7801\u590d\u7528\u3001\u903b\u8f91\u62bd\u8c61\u548c\u95ee\u9898\u5206\u89e3\uff0c\u63d0\u5347\u7a0b\u5e8f\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4f7f\u7528defdef \u51fd\u6570\u540d(\u53c2\u6570\u5217\u8868):"""\u51fd\u6570\u6587\u6863\u5b57\u7b26\u4e32\uff08\u53ef\u9009\uff09"""\u51fd\u6570\u4f53\uff08\u6267\u884c\u7684\u4ee3\u7801\uff09return \u8fd4\u56de\u503c\uff08\u53ef\u9009\uff09"""\u5411\u6307\u5b9a\u540d\u79f0\u7684\u4eba\u6253\u62db\u547c"""\u51fd\u6570\u662f Python \u7f16\u7a0b\u7684\u57fa\u7840\uff0c\u638c\u63e1\u5176\u5b9a\u4e49\u3001\u53c2\u6570\u3001\u8fd4\u56de\u503c\u3001\u4f5c\u7528\u57df\u53ca\u9ad8\u7ea7\u7279\u6027\uff08\u5982\u88c5\u9970\u5668\u3001\u9ad8\u9636\u51fd\u6570\uff09\uff0c\u80fd\u663e\u8457\u63d0\u5347\u4ee3\u7801\u8d28\u91cf\u548c\u5f00\u53d1\u6548\u7387\u3002\u5408\u7406\u4f7f\u7528\u51fd\u6570\u53ef\u4ee5\u4f7f\u7a0b\u5e8f\u7ed3\u6784\u66f4\u6e05\u6670\uff0c\u4fbf\u4e8e\u7ef4\u62a4\u548c\u6269\u5c55\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[81,6071,190],"topic":[],"class_list":{"0":"post-57771","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-server","7":"tag-python","9":"tag-190"},"yoast_head":"\n