How the input function works in Python :

• When input() function executes program flow will be stopped until the user has given an input.
• The text or message display on the output screen to ask a user to enter input value is optional i.e. the prompt, will be printed on the screen is optional.
• Whatever you enter as input, input function convert it into a string. if you enter an integer value still input() function convert it into a string. 

 

 

 

在if的语句中如果不转换的话，会提示错误：