2022-08-17 学习Python-Day6

wyh551202

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)

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
   

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')