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Added tower of hanoi program #25

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37 changes: 37 additions & 0 deletions tower_of_hanoi.py
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Original file line number Diff line number Diff line change
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def towerOfHanoi(numDisks, source, spare, destination):
'''
Objective : To solve the problem of tower of hanoi.
Input Variable :
numDisks : integer - Number of disks.
source : source tower.
spare : spare tower.
destination : destination tower.
Return value : None.
'''
#Approach : Using recursion.

assert numDisks>0
if numDisks==1:
print('Move a disk from',source,'to',destination)
else:
towerOfHanoi(numDisks-1,source,destination,spare)
print('Move a disk from',source,'to',destination)
towerOfHanoi(numDisks-1,spare,source,destination)

def main():
'''
Objective : To solve the problem of tower of hanoi.
Input Variable : None.
Return value : None.
'''
#Approach : Invoke TowerHanoiFunction.

source='A'
spare='B'
destination='C'
print('\n\t\t***** TOWERS OF HANOI *****\n')
numDisks=int(input('Enter the number of disks: '))
towerOfHanoi(numDisks,source,spare,destination)

if __name__ == '__main__':
main()