字符格式化输出
字符格式化输出
   占位符 %s      s = string
         %d         d = digit 整数
         %f        f = float 浮点数,约等于小数
name = input("Please input your name :")
sex = input("Please input your sex :")
age = input("Please input your age :")
if age.isdigit():
    age = int(age)
else:
    print("You must input a digit")
job = input("Please input your job :")
salary = input("Please input your salary :")
msg = """---------info of %s-----------
Name = %s # %是占位符,s为字符串类型
Sex = %s
Age = %s
Job = %s
Salary = %s
You will be retired in %s years !
---------------end-------------""" %(name,name,sex,age,job,salary,65-age)
print(msg)
字符串
              salary.isdigit()  校验salary是否为整型
              计算机中, 一切皆为对象
              世界万物,皆为对象,一切对象皆可分类
 
                    
                     
                    
                 
                    
                 
                
            
         浙公网安备 33010602011771号
浙公网安备 33010602011771号 
