If_ElifStuDemo
# coding=utf-8 # if, elif, else可组成一个整体的条件语句。 # if是必须有的; # elif可以没有,也可以有很多个,每个elif条件不满足时会进入下一个elif判断; # else可以没有,如果有的话只能有一个,必须在条件语句的最后。 a = input() if a == 1: print 'one' elif a == 2: print 'two' elif a == 3: print 'three' else: print 'too many'
FunctionTestDemo
- def isEqual(num1,num2):
- if num1 < num2:
- print 'too small!'
- return False
- elif num1 > num2:
- print 'too big!'
- return False
- else:
- print 'you are right!'
- return True
- from random import randint
- num = randint(0,100)
- print 'Guess what I think?'
- bingo = False
- while bingo == False:
- answer = input()
- bingo = isEqual(answer,num)