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今日学习python的循环语句while和for P15,P16,P17,P18,P19
- love = 'yes'
- while love == 'yes':
- love = input("今天你还爱我吗?")
-
- i=1
- sum = 0
- while i <=1000000:
- sum=sum+i
- i=i+1
- print('和为',sum)
- while True:
- answer = input("可以退出吗?")
- if answer == '可以':
- break
- print('不行')
- i=0
- while i < 10:
- i=i+1
- if i %2 ==0:
- continue
- print(i)
- i=1
- while i<5:
- print("循环外",i)
- i=i+1
- else:
-
- print("循环内",i)
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- day =1
- while day <=7:
- answer = input("今天有好好学习吗?")
- if answer != '有':
- break
- day = day+1
- else:
- print("非常棒已经7天学习")
- i=1
- while i <=9:
- j=1
- while j <=i:
- print(j,"*",i,"=",j*i,end=" ")
- j=j+1
- print()
- i=i+1
-
- day =1
- hour =1
- while day <=7:
- while hour <=8:
- print("今天学习八个小时")
- hour = hour +1
- if hour >1:
- break
- day =day+1
- break
-
复制代码- sum =0
- for i in range(1,1000001):
- sum=sum+i
- print(sum)
- for n in range(2,10):
- for x in range(2,n):
- if n%x ==0 :
- print(n,'=',x,'*',n // x)
- break
- else:
- print(n,'是一个素数')
-
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