Question: in python using trees write a function( is_leg) that take a single arguement N which is a Node or none and returns true if its

in python using trees write a function( is_leg) that take a single arguement N which is a Node or none and returns true if its a leg and false if its not

Dont use BST class

A leg is defined as

having a parent and only one child.

D E C and F are the only legs

 A / \ / \ / \ B C / \ / D E F / / \ G H I / \ J K

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