# Learn Recursion by Solving the Tower of Hanoi Puzzle - Step 52

### Tell us what’s happening:

Describe your issue in detail here.

### Your code so far

``````
# User Editable Region

NUMBER_OF_DISKS = 4
A= list(range(NUMBER_OF_DISKS, 0, -1))
B= []
C= []

def move(n, source, auxiliary, target):
if n > 0:
# move n - 1 disks from source to auxiliary, so they are out of the way
move(n - 1, source, target, auxiliary)

# move the nth disk from source to target
target.append(source.pop())

# display our progress
print(f"{A}{B}{C}",'\n')
# move the n - 1 disks that we left on auxiliary onto target
move(n - 1,  auxiliary, source, target)

# initiate call from source A to target C with auxiliary B
move(NUMBER_OF_DISKS, A, B, C)

# User Editable Region

``````

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### Challenge Information:

Learn Recursion by Solving the Tower of Hanoi Puzzle - Step 52

You appear to have created this post without editing the template. Please edit your post to Tell us what’s happening in your own words.
Learning to describe problems is hard, but it is an important part of learning how to code.
Also, the more you say, the more we can help!

I dont know where is the probleme on my print function .this is issue: `print(f"{A}{B}{C}",'\n')`

Give it a try at printing just the variables separated by comas, instead of using the formatted string literal (f"").