[Python] How to get an exponential operation to print properly in Python? [closed]

I'm building a calculator app and it includes a feature where the user can find the nth root of a base number.

Here's the relevant parts of my code for this question:

def numberEntry1():
entry = float(input("Enter the first number:\n"))
return entry

def numberEntry2():
entry = float(input("Enter the second number:\n"))
return entry

def exponentialRoot(n1, n2):
return n1 ** (1/n2)


mathDict = {
1: add,
2: subtraction,
3: multiplication,
4: division,
5: exponentialPower,
6: exponentialRoot,
}


elif operationChoice == 6:
if choice1 < 0:
print(f"Evaluating the nth root of a negative number is not supported by this calculator.")
print(f"Try again!")
continue
result = mathDict[6](choice1, choice2)
if str(choice2)[-1] == "2":
print(f"The {choice2}nd root of {choice1} equals {result}")


Basically what I'm trying to do here is to make the code print a statement depending on what the last character of choice2 is after it's converted into a string. For example, if choice 2 is "24" I want the print statement to say "The 24th root of {choice1} equals {result}" and if choice 2 is "22" I want it to say "The 22nd root of {choice1} equals {result}"

My current code just ends up not executing the print statement at all even though it still successfully executes the operation in the exponentialRoot function and returns the result.

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