if,else判斷

Age of oldboy =56orm

Guess_age =int(input(「guess age:」))input

If guess_age ==age_of_oldboy :it

       Print(「yes,you,got it,」)form

Elif guess_age > age_of_oldboy:密碼

       Print(「think smaller…」)db

Else:word

       Print (「think bigger!」)co

 

 

 

用戶名判斷ab

_username = ’alex’               用戶

_password = ’abc123’             密碼

Username =input (「username:」) 

Password =input (「password:」)

If _username == username and _password == password:

       Print(「welcome user {name} login…」.format(name=username)) 成功 

Else:

       Print(「invalid username or password!」)    不成功

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