think python学习心得-（4）有返回函数

练习题

6-1

  

   

    

     

    
    

     

      def compare(x,y):
     
    
   

    

     

    
    

     
 if x>y:
     
    
   

    

     

    
    

     
 return 1
     
    
   

    

     

    
    

     
 elif x==y:
     
    
   

    

     

    
    

     
 return 0
     
    
   

    

     

    
    

     
 else:
     
    
   

    

     

    
    

     
 return -1
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      a=[int(i) for i in raw_input('please input 2 number: ').split()]
     
    
   

    

     

    
    

     

      print compare(a[0],a[1])
     
    
  
 

  

   

    

     

    
    

     

      a=[int(i) for i in raw_input('please input 2 number: ').split()]
     
    
   

    

     

    
    

     

      语句可以实现用空格隔开的多个数据的输入，就像matlab中的向量一样，很好用！
     
    
  
 

  

   

    

     

    
    

     

      import math
     
    
   

    

     

    
    

     

      def hypotenuse(x,y):
     
    
   

    

     

    
    

     
 return math.sqrt(x**2+y**2)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      a=[int(i) for i in raw_input('please input 2 number: ').split()]
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      print hypotenuse(a[0],a[1])
     
    
  
 

  

   

    

     

    
    

     

      def is_between(x,y,z):
     
    
   

    

     

    
    

     
 if x<=y:
     
    
   

    

     

    
    

     
 if y<=z:
     
    
   

    

     

    
    

     
 return True
     
    
   

    

     

    
    

     
 else:
     
    
   

    

     

    
    

     
 return False
     
    
   

    

     

    
    

     
 else:
     
    
   

    

     

    
    

     
 return False
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      a=[int(i) for i in raw_input('please input 3 number: ').split()]
     
    
   

    

     

    
    

     

      print is_between(a[0],a[1],a[2])
     
    
  
 

返回值是int类型的90

6-7

  

   

    

     

    
    

     

      def is_power(a,b):
     
    
   

    

     

    
    

     
 if a%b==0:
     
    
   

    

     

    
    

     

       a=a/b
     
    
   

    

     

    
    

     
 if a>b:
     
    
   

    

     

    
    

     

       is_power(a,b)
     
    
   

    

     

    
    

     
 elif a==b:
     
    
   

    

     

    
    

     
 print 'yes'
     
    
   

    

     

    
    

     
 else:
     
    
   

    

     

    
    

     
 print 'no'
     
    
   

    

     

    
    

     
 else:
     
    
   

    

     

    
    

     
 print 'no'
     
    
   

    

     

    
    

     

      print 'Please number a and b'
     
    
   

    

     

    
    

     

      x=int(raw_input())
     
    
   

    

     

    
    

     

      y=int(raw_input())
     
    
   

    

     

    
    

     

      is_power(x,y)
     
    
  
 

  

   

    

     

    
    

     

      flag=[]
     
    
   

    

     

    
    

     

      def gcd(a,b):
     
    
   

    

     

    
    

     

       m=min(a,b)
     
    
   

    

     

    
    

     
 for i in range(m):
     
    
   

    

     

    
    

     
 if a%(i+1)==0:
     
    
   

    

     

    
    

     
 if b%(i+1)==0:
     
    
   

    

     

    
    

     

       flag.insert=(i,i)
     
    
   

    

     

    
    

     

      print 'please input a and b to get GCD'
     
    
   

    

     

    
    

     

      x=int(raw_input())
     
    
   

    

     

    
    

     

      y=int(raw_input())
     
    
   

    

     

    
    

     

      gcd(x,y)
     
    
   

    

     

    
    

     

      print flag
     
    
  
 

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原文链接：zclhit.blog.csdn.net/article/details/50970841