<doocs>1145.Binary Tree Coloring Game_1.py
def count(root):
    if root is None:
        return 0
    return 1 + count(root.left) + count(root.right)
def sample_funcname ( var_1 ) :
    if var_1 is None :
        return 0
    return 1 + var_0 ( var_1.left ) + var_0 ( var_1.right )
