for-in遍历

for-in遍历.py

#  -*- coding:utf-8 -*- 
for n in range(2,10)
    for x in range(2,n)
        if n % x==0:
            print(n,'equals',x,'*',n//x)
            break        #而pass语句不做任何操作
        else:
            print(n,'is a prime number')
            
input()