\u4e3a\u53c2\u6570\u6307\u5b9a\u9ed8\u8ba4\u503c<\/strong>\uff0c\u8c03\u7528\u65f6\u53ef\u7701\u7565\uff1a<\/p>\n\n\n\n \u6ce8\u610f\uff1a<\/strong> \u9ed8\u8ba4\u53c2\u6570\u5fc5\u987b\u653e\u5728\u975e\u9ed8\u8ba4\u53c2\u6570\u540e\u9762\u3002<\/p>\n\n\n\n \u901a\u8fc7\u53c2\u6570\u540d<\/strong>\u4f20\u9012\uff0c\u987a\u5e8f\u53ef\u4ee5\u4efb\u610f\uff1a<\/p>\n\n\n\n \u6df7\u5408\u4f7f\u7528\uff1a<\/strong> \u4f4d\u7f6e\u53c2\u6570\u5728\u524d\uff0c\u5173\u952e\u5b57\u53c2\u6570\u5728\u540e\u3002<\/p>\n\n\n\n \u5b9a\u4e49\u51fd\u6570\u65f6\uff0c\u53c2\u6570\u5fc5\u987b\u6309\u4ee5\u4e0b\u987a\u5e8f\uff1a<\/p>\n\n\n\n Python \u51fd\u6570\u53ef\u4ee5\u540c\u65f6\u8fd4\u56de\u591a\u4e2a\u503c<\/strong>\uff08\u5b9e\u9645\u662f\u8fd4\u56de\u5143\u7ec4\uff09\uff1a<\/p>\n\n\n\n \u9ed8\u8ba4\u53c2\u6570 \u4e3a\u53c2\u6570\u6307\u5b9a\u9ed8\u8ba4\u503c\uff0c\u8c03\u7528\u65f6\u53ef\u7701\u7565\uff1a \u6ce8\u610f\uff1a..<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[52,14],"tags":[],"class_list":["post-648","post","type-post","status-publish","format-standard","hentry","category-python","category-back"],"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":""},"author_info":{"info":["\u9648 \u67d0\u4eba"]},"category_info":"Python<\/a> \u540e\u7aef<\/a>","tag_info":"\u540e\u7aef","comment_count":"0","_links":{"self":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/comments?post=648"}],"version-history":[{"count":1,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/648\/revisions"}],"predecessor-version":[{"id":649,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/648\/revisions\/649"}],"wp:attachment":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/media?parent=648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/categories?post=648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/tags?post=648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}def greet(name, greeting=\"Hello\"):
print(f\"{greeting}, {name}!\")
\u200b
greet(\"Alice\") # Hello, Alice!
greet(\"Bob\", \"Hi\") # Hi, Bob!<\/code><\/pre>\n\n\n\n# \u9519\u8bef\u793a\u4f8b
# def greet(greeting=\"Hello\", name): # SyntaxError!
# pass<\/code><\/pre>\n\n\n\n\u5173\u952e\u5b57\u53c2\u6570<\/h3>\n\n\n\n
def person_info(name, age, city):
print(f\"{name}, {age}\u5c81, \u6765\u81ea{city}\")
\u200b
# \u5173\u952e\u5b57\u53c2\u6570\uff0c\u987a\u5e8f\u65e0\u5173
person_info(age=25, city=\"\u5317\u4eac\", name=\"Alice\")
# Alice, 25\u5c81, \u6765\u81ea\u5317\u4eac<\/code><\/pre>\n\n\n\nperson_info(\"Alice\", age=25, city=\"\u5317\u4eac\") # \u6b63\u786e
# person_info(name=\"Alice\", 25, \"\u5317\u4eac\") # \u9519\u8bef\uff01\u4f4d\u7f6e\u53c2\u6570\u4e0d\u80fd\u5728\u5173\u952e\u5b57\u53c2\u6570\u540e<\/code><\/pre>\n\n\n\n\u53ef\u53d8\u53c2\u6570<\/h3>\n\n\n\n
*args<\/code> \u2014\u2014 \u63a5\u6536\u4efb\u610f\u6570\u91cf\u7684\u4f4d\u7f6e\u53c2\u6570<\/h4>\n\n\n\ndef sum_all(*args):
total = 0
for num in args:
total += num
return total
\u200b
# \u8c03\u7528
print(sum_all(1, 2, 3)) # 6
print(sum_all(1, 2, 3, 4)) # 10
print(sum_all()) # 0<\/code><\/pre>\n\n\n\nargs<\/code> \u7684\u672c\u8d28\uff1a<\/strong> \u51fd\u6570\u5185\u90e8\u662f\u4e00\u4e2a\u5143\u7ec4<\/strong>\u3002<\/p>\n\n\n\ndef show_args(*args):
print(type(args)) # <class 'tuple'>
print(args) # (1, 2, 3)
\u200b
show_args(1, 2, 3)<\/code><\/pre>\n\n\n\n**kwargs<\/code> \u2014\u2014 \u63a5\u6536\u4efb\u610f\u6570\u91cf\u7684\u5173\u952e\u5b57\u53c2\u6570<\/h4>\n\n\n\ndef print_info(**kwargs):
for key, value in kwargs.items():
print(f\"{key}: {value}\")
\u200b
# \u8c03\u7528
print_info(name=\"Alice\", age=25, city=\"\u5317\u4eac\")
# name: Alice
# age: 25
# city: \u5317\u4eac<\/code><\/pre>\n\n\n\nkwargs<\/code> \u7684\u672c\u8d28\uff1a<\/strong> \u51fd\u6570\u5185\u90e8\u662f\u4e00\u4e2a\u5b57\u5178<\/strong>\u3002<\/p>\n\n\n\ndef show_kwargs(**kwargs):
print(type(kwargs)) # <class 'dict'>
print(kwargs) # {'name': 'Alice', 'age': 25}
\u200b
show_kwargs(name=\"Alice\", age=25)<\/code><\/pre>\n\n\n\n\u53c2\u6570\u987a\u5e8f\u89c4\u5219<\/h3>\n\n\n\n
def func(\u4f4d\u7f6e\u53c2\u6570, \u9ed8\u8ba4\u53c2\u6570, *args, **kwargs):
pass
\u200b
# \u793a\u4f8b
def demo(a, b=2, *args, **kwargs):
print(f\"a={a}, b={b}\")
print(f\"args={args}\")
print(f\"kwargs={kwargs}\")
\u200b
demo(1, 3, 4, 5, x=10, y=20)
# a=1, b=3
# args=(4, 5)
# kwargs={'x': 10, 'y': 20}<\/code><\/pre>\n\n\n\n
\n\n\n\n\u591a\u8fd4\u56de\u503c<\/h3>\n\n\n\n
def min_max(numbers):
return min(numbers), max(numbers)
\u200b
minimum, maximum = min_max([3, 1, 4, 1, 5])
print(minimum) # 1
print(maximum) # 5
\u200b
# \u672c\u8d28\u4e0a\u8fd4\u56de\u7684\u662f\u5143\u7ec4
result = min_max([3, 1, 4])
print(result) # (1, 4)
print(type(result)) # <class 'tuple'><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"