python,第四天，字符串格式化

name = input("Name:")
age = int(input("Age:"))
job = input("Job:")
salary = input("Salary:")

if salary.isdigit():#此条判断salary的值是否像数字
    salary = int (salary)
else:
    # print("Must input digtit")
    # exit()#退出程序
    exit("Must input digtit")

msg = '''
-----info of %s-----
Name:%s
Age:%s
Job:%s
Salary:%s
You will be retired %s years. 
-----End-----
'''%(name,name,age,job,salary,65-age)#retired: 退休
print(msg)