Python用户交互程序

1 username = input("username:")
2 job = input("your job:")
3 age = int(input("your age:")) #string转换成int

 1 info = ‘‘‘
 2 ------now--------------
 3 Name:‘‘‘+ username +‘‘‘
 4 job:‘‘‘ + job + ‘‘‘
 5 ‘‘‘
 6 #----------------------
 7 info_2 = ‘‘‘
 8 ------now_2--------------
 9 Name:%s         #字符串string
10 job:%s
11 age:%d          #只能是int
12 ‘‘‘ % (username,job,age)
13 
14 info_3 =‘‘‘
15 ------now_3--------------
16 Name:{name_1}         
17 job:{job_2}
18 age:{age_3}
19 ‘‘‘.format(name_1=username,job_2=job,age_3=age) #｛｝里面的参数可以自己定义
20 
21 print(info,‘\n‘)
22 print(info_2)
23 print(info_3)
24 #判断类型
25 print(type(age))

 1 username:gdr
 2 your job:it
 3 your age:24
 4 
 5 ------now--------------
 6 Name:gdr
 7 job:it
 8  
 9 
10 
11 ------now_2--------------
12 Name:gdr         #字符串string
13 job:it
14 age:24          #只能是int
15 
16 
17 ------now_3--------------
18 Name:gdr         
19 job:it
20 age:24
21 
22 <class ‘int‘>