PRINT BIN TREE LEAFEs

binary_tree = { "value" : 2, "left":
            {
                "value": 7, "left": None, "right":
                {
                    "value": 6, "left":
                    {
                        "value": 5, "left": None, "right": None
                    }, "right":
                    {
                        "value":11, "left": None, "right": None
                    },
                },
            }, "right":
                {
                    "value": 5, "left": None, "right": None
                }
        }

def get_leafes(tree):
    if tree == None:
        return

    get_leafes(tree["left"])
    if tree['left'] == None and tree['right'] == None:
        print(tree['value'])
    get_leafes(tree["right"])


print(get_leafes(binary_tree))