笨办法学python3练习代码ex18.py
2021-04-15 03:28
标签：学python zed 接收 参数 意思 his fir this code 笨办法学python3练习代码ex18.py 标签：学python zed 接收 参数 意思 his fir this code 原文地址：https://www.cnblogs.com/lsc666js/p/13334702.html 1 #命名、变量、代码、函数
2 #this one is like your scripts with argv
3 def print_two(*args):
4 arg1, arg2 = args #将参数解包
5 print(f"arg1: {arg1}, arg2: {arg2}")
6 ‘‘‘
7 （*args） 里面*的意思：告诉Python把所有的参数都接收进来，放到名叫args的列表中去
8 ‘‘‘
9
10 #ok,that‘s *agrs is actually pointless（无意义的）,we can just do this
11 def print_two_again(arg1, arg2):
12 print(f"arg1: {arg1}, arg2: {arg2}")
13
14 #this just takes one argument
15 def print_one(arg1):
16 print(f"arg1: {arg1}")
17
18
19 #this one takes no arguments
20 def print_none():
21 print("I got nothin‘.")
22
23
24 print_two("Zed","Shaw") #不带引号会出错，但是数字可以不带引号
25 print_two_again("Zed","Shaw")
26 print_one("First!")
27 print_none()
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