if else流程判断-CLASS-11（Part 1）

1 if true： 2 print("true") 3 else: 4 print("false")

1 # Author:dd 2 age_of_boy = 56 3 age = int(input("age:")) 4 if age == age_of_boy: 5 print("you got it") 6 elif age > age_of_boy: 7 print("you need guess smaller") 8 else: 9 print("you need guess bigger")

1 import getpass 2 passwd = getpass.getpass("input your password:")

 1 # Author:dd  2 import getpass  3  4  5 _username = "test"  6 _passwd = "111"  7  8 username = input("username:")  9 passwd = getpass.getpass("passwd:") 10 print(username,passwd) 11 12 if _username == username and _passwd == passwd: 13 print("user {name} login success".format(name=username)) 14 else: 15 print("login failed")

 1 # Author:dd  2 import getpass  3  4  5 _username = "test"  6 _passwd = "111"  7  8 username = input("username:")  9 passwd = input("passwd:") 10 11 if _username == username and _passwd == passwd: 12 print("user {name} login success".format(name=username)) 13 else: 14 print("login failed") 15 print("ddd")