(self, bit)
Find sign in tree
        :param bit:
        :return: True if sign is found
Find sign in tree
        :param bit:
        :return: True if sign is found
Find sign in tree : param bit : : return : True if sign is found
def find(self, bit):
        """
        Find sign in tree
        :param bit:
        :return: True if sign is found
        """
        if bit == "0":
            self.current_node = self.current_node.left
        elif bit == "1":
            self.current_node = self.current_node.right
        else:
            self._reset()
            return True

        if self.current_node.sign is not None:
            self._reset(self.current_node.sign)
            return True
        else:
            return False
def find ( self , bit ) : if bit == "0" : self . current_node = self . current_node . left elif bit == "1" : self . current_node = self . current_node . right else : self . _reset ( ) return True if self . current_node . sign is not None : self . _reset ( self . current_node . sign ) return True else : return False