参数汇总

 1 #coding=utf-8
 2 ‘‘‘
 3 函数参数
 4 ‘‘‘
 5 
 6 #位置参数:实参与形参的位置必须对应，否则会引起意想不到的的情况
 7 def z1(name,address,age):
 8     print(‘name is {},address is {},age is {}‘.format(name,address,age))
 9 z1(‘张三‘,‘北京市北京西路‘,100)
10 
11 #默认参数:需放在位置参数后面，有实参取实参，无实参取默认
12 def z2(address,age,name=‘李四‘):
13     #变化越小的放在越后
14     print(‘name is {},address is {},age is {}‘.format(name,address,age))
15 z2(‘北京市广东西路‘,101)
16 
17 #关键字参数:关键字无需考虑位置，实参赋值时需要放在位置参数后面
18 def z3(name,address,age=110,xingbie=‘男‘):
19     #变化越小的放在越后
20     print(‘name is {},address is {},age is {},xingbie is {}‘.format(name,address,age,xingbie))
21 z3(‘王五‘,‘北京市北京西路‘,xingbie=‘女‘)