def main():
    bc = BunchClass     # notice the absence of ()
    tree = bc(left = bc(left="Buffy", right="Angel"), right = bc(left="Willow", right="Xander"))
    print(tree)
{'right': {'right': 'Xander', 'left': 'Willow'}, 'left': {'right': 'Angel', 'left': 'Buffy'}}
dataset/ETHPy150Open bt3gl/Python-and-Algorithms-and-Data-Structures/src/trees/bunchclass.py/main