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  1. # your code goes here
  2. class BinaryTree:
  3.     def __init__(self, root):
  4.         self.key = root 
  5.         self.left_child = None 
  6.         self.right_child = None 
  7.  
  8.     def insert_left(self, new_node):
  9.         if (self.left_child is None):
  10.             self.left_child = BinaryTree (new_node) 
  11.         else:
  12.             t = BinaryTree(new_node) 
  13.             t.left_child = self.left_child 
  14.             self.left_child = t 
  15.     def insert_right(self, new_node):
  16.         if self.right_child is None:
  17.             self.right_child = BinaryTree(new_node) 
  18.         else:
  19.             t = BinaryTree(new_node)
  20.             t.right_child = self.right_child 
  21.             self.right_child = t 
  22.     def get_right_child(self):
  23.         return self.right_child 
  24.     def get_left_child(self):
  25.         return self.left_child 
  26.     def set_root_val(self, obj):
  27.         self.key = obj 
  28.     def get_root_val(self):
  29.         return self.key
  30.  
  31. r = BinaryTree('a') 
  32.  
  33. print("-1", r.get_root_val()) 
  34.  
  35. print("-2",r.get_left_child()) 
  36.  
  37. r.insert_left('b') 
  38.  
  39. print("-3",r.get_left_child()) 
  40.  
  41. print("-4", r.get_left_child().get_root_val())
  42.  
  43. r.insert_right('c')
  44.  
  45. print("-5", r.get_right_child()) 
  46.  
  47. print("-6", r.get_right_child().get_root_val()) 
  48.  
  49. r.get_right_child().set_root_val('hello') 
  50.  
  51. print("-7",r.get_right_child().get_root_val())
Success #stdin #stdout 0.02s 9000KB
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stdin
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Standard input is empty
stdout
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-1 a
-2 None
-3 <__main__.BinaryTree object at 0x14cc8f7b5f28>
-4 b
-5 <__main__.BinaryTree object at 0x14cc8f7b5f60>
-6 c
-7 hello
https://ideone.com/p4iV9N
language:
Python 3 (python  3.9.5)
created:
2 years ago
visibility:
public

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