from __future__ import print_function
def moveTower(height, fromPole, toPole, withPole):
'''
>>> moveTower(3, 'A', 'B', 'C')
moving disk from A to B
moving disk from A to C
moving disk from B to C
moving disk from A to B
moving disk from C to A
moving disk from C to B
moving disk from A to B
'''
if height >= 1:
moveTower(height-1, fromPole, withPole, toPole)
moveDisk(fromPole, toPole)
moveTower(height-1, withPole, toPole, fromPole)
def moveDisk(fp,tp):
print(('moving disk from', fp, 'to', tp))
def main():
height = int(input('Height of hanoi: '))
moveTower(height, 'A', 'B', 'C')
if __name__ == '__main__':
main()