python中的while循環
阿新 • • 發佈:2018-04-12
while if else1、死循環學會用法
a = 1
while True:
print(a)
a +=1
2、無限次輸入,直到輸對,才退出
_age = 18
while True:
guess_age = int(input("guess_age:"))
if guess_age == _age:
print("Good!!!!")
break
else:
print("no,please input")
3、限制輸入三次,超過三次,提示輸入次數太多退出
_age = 18 count = 0 while count<3: guess_age = int(input("guess_age:")) if guess_age == _age: print("Good!!!!") break elif guess_age > _age: print("no,cai da le ...") else: print("no,cai xiao le ...") count +=1 else: print("you have tried too many times...quit")
python中的while循環