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学习python第二天 流程判断

2018-11-12 21:12  筑_梦  阅读(257)  评论(0编辑  收藏  举报
while循环
age_of_Jim = 56
count = 0 #开始计数
while True: #循环代码
if count ==3:#如果次数=3
break#退出
guess_age = int(input("guess age:"))#int-->字符串转换数字
if guess_age == age_of_Jim:#如果猜的数字=Jim年龄
print("yes you got it.")#打印“yes you got it.”
break #猜对了退出
elif guess_age > age_of_Jim :#如果猜的数字>Jim年龄
        print("think smaller...")#打印“think smaller....”
    else:                         #否则
print("think bigger!") #打印
think bigger!
    count +=1 #尾部计数=count +1

if count ==3: # 另加语言,如果次数=3
print("you have tried too many times....goodbye")
#打印....

for循环

age_of_oldboy = 56#定义年两=56

count = 0 #头部计数
for i in range(3):#循环次数
if count ==3:#如果次数=3
break#退出
guess_age = int(input("guess age:"))#输入guess age:
if guess_age == age_of_oldboy:#如果猜的年龄=定义数
print("yes you got it.")#打印yes you got it.
break
elif guess_age > age_of_oldboy:#如果猜的年龄>定义数
print("think smaller...")#想的小一点
else:#否则
print("think bigger!")#想的大一点
count +=1#尾部计数
if count ==3:#如果次数超过3
print("you have tried too many times..Goodbye")#打印你试的次太多了