think python学习心得-（3）条件和递归

比较简单，和C语言类似，这里po上自己制作的课后题答案好了：

5-3 

  

   

    

     

    
    

     

      def check_fermat(a,b,c,n): 
     
    
   

    

     

    
    

     

       a2=int(a)
     
    
   

    

     

    
    

     

       b2=int(b)
     
    
   

    

     

    
    

     

       c2=int(c)
     
    
   

    

     

    
    

     

       n2=int(n)
     
    
   

    

     

    
    

     

       left = pow(a2,n2)+pow(b2,n2)
     
    
   

    

     

    
    

     

       right = pow(c2,n2)
     
    
   

    

     

    
    

     
 if left==right:
     
    
   

    

     

    
    

     

       print('Oh femat is wrong!')
     
    
   

    

     

    
    

     
 else:
     
    
   

    

     

    
    

     
 print ('No,that is wrong!')
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      print('Pleease input a,b,c and n')
     
    
   

    

     

    
    

     

      a1=raw_input()
     
    
   

    

     

    
    

     

      b1=raw_input()
     
    
   

    

     

    
    

     

      c1=raw_input()
     
    
   

    

     

    
    

     

      n1=raw_input()
     
    
   

    

     

    
    

     

      check_fermat(a1,b1,c1,n1)
     
    
  
 

5-4

  

   

    

     

    
    

     

      def is_triangle(x,y,z):
     
    
   

    

     

    
    

     

       a=float(x)
     
    
   

    

     

    
    

     

       b=float(y)
     
    
   

    

     

    
    

     

       c=float(z)
     
    
   

    

     

    
    

     
 if a+b<c:
     
    
   

    

     

    
    

     
 print ('It is not a triangle')
     
    
   

    

     

    
    

     
 elif a+c<b:
     
    
   

    

     

    
    

     
 print ('It is not a triangle')
     
    
   

    

     

    
    

     
 elif b+c<a:
     
    
   

    

     

    
    

     
 print ('It is not a triangle')
     
    
   

    

     

    
    

     
 else:
     
    
   

    

     

    
    

     
 print ('It is a triangle')
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      print ('Please input three float for the triangle')
     
    
   

    

     

    
    

     

      m1=raw_input()
     
    
   

    

     

    
    

     

      m2=raw_input()
     
    
   

    

     

    
    

     

      m3=raw_input()
     
    
   

    

     

    
    

     

      is_triangle(m1,m2,m3)
     
    
  
 

一只乌龟逐渐越走越短。

5-6

设计思路就是讲一个小的koch嵌套到一个大的koch里面，具体的思路就不写了

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原文链接：zclhit.blog.csdn.net/article/details/50964091