python中input的使用与循环

<>python中input的使用与循环
#input的三种格式，.format() name = input("name:") age = int (input("age:")) job =
input("job:") salary = float (input("salary:")) info1 = ''' name:%s age:%d
job:%s salary:%f '''%(name,age,job,salary) info2=''' name:{name} age:{age}
job:{job} salary:{salary} '''.format(name = name,age = age,job = job,salary =
salary) info3 = ''' name:{0} age:{1} job:{2} salary:{3}
'''.format(name,age,job,salary) print(info1,info2,info3)
程序输出结果：
name:zy
age:22
job:IT
salary:20000

name:zy
age:22
job:IT
salary:20000.000000

name:zy
age:22
job:IT
salary:20000.0

name:zy
age:22
job:IT
salary:20000.0
这是第二个程序password暗文输入密码只能在cmd里运行
# _*_ coding:UTF-8 _*_ #@Time:2019/7/621:27 #@Author:ZhouYi #@Site:
#@File:password.py #@Software:PyCharm import getpass _usename="zhouyi"
_password="123456" usename = input("usename：") password =
getpass.getpass("password:") #print(usename,password) if password==_password
and usename==_usename: print("Welcome User {name}
login...".format(name=usename)) else: print("Invalid Username or Password!")
这是第三个程序猜年龄的每三次提醒一次
# _*_ coding:UTF-8 _*_ #@Time:2019/7/621:54 #@Author:ZhouYi #@Site:
#@File:guess.py #@Software:PyCharm age_of_oldman=56 count=0 while count<3:
guess_age = int(input("guess age:")) if guess_age==age_of_oldman:
print("yes,you get it") break elif guess_age>age_of_oldman: print("think
smaller!") else: print("think bigger!") count+=1 if count==3:
continue_confirm=input("do you want keep guessing") if continue_confirm=='n':
pass else: count=0 else: print("you have tryed many times...fuck off")

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