判断1-100中有多少个7

  • 2025-12-22 05:24:41

for语句循环控制

import random

a_int=0

for i in range(1,101):

if '7' in str(i) or i%7==0:

print('*',end=',')

a_int+=1

print()

else:print(f'{i}',end=',')

print( )

print(f'1-100中有{a_int}个与7有关的数')

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