python基础学习(七)

14.returnspa

# print(1) 能够被执行
def doubelNumber(num):
    print(1)
    return num * 2
    print(2)


Afnum = doubelNumber(100)
print(Afnum)

run结果:code

 

 15.while 循环blog

#  while 循环

i = 1
while i <= 8:
    print("$"*i)
    i = i + 1

run结果:class

 

16.for 循环循环

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