I don't know how to call my nested function

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#1

Hi everyone so I’m doing the python " game of chance " practice project here is the link
and I’m stuck on exercise number 6 ( create a function that simulates some of the rules of roulette).
I created a global function called roulette and inside this function I created two other functions one called “guess_the_number” and the other one called “guess_high_or_low” each one does a different thing than the other my problem is when I want to run either of the local functions I get a “NameError” it says that function name is not defined so my question is how can I do that?.
btw here’s the code :slight_smile:

def roulette(guess, bet):
  def guess_the_number(guess, bet):
    if guess == number_guessed:
      bet += 35
      return "Congratulation you won: " + str(bet) + "$"
    else:
      return "Sorry you lost"
  return guess_the_number(guess, bet)
  
  def guess_high_or_low(guess, bet):
    if guess == "Low":
      if number_guessed >= 1 and number_guessed <= 18:
        print("It's Low")
        bet += bet
        return "Congratulation you won: " + str(bet) + "$"
      else:
        return "Sorry you lost the number was High!"
    else:
      if number_guessed >= 19 and number_guessed <=36:
        print("It's High")
        bet += bet
        return "Congratulation you won: " + str(bet) + "$"
      else:
        return "Sorry you lost the number was Low!"
  return guess_high_or_low(guess, bet)
  
print(guess_high_or_low("High", 50))
#2

Hello, @khloecalderon7050276, and welcome to the forums!

The nested functions are only available inside the parent function. You may want to consider making roulette a class instead. Then you still have a few errors to work through including re-working the game logic to accurately access winning/losing. If classes are not familiar to you yet, you’ll have to refactor your code to call your nested functions from within the roulette function.

Edit: Actually, your game logic works fine for determining winning/losing once the other issues are addressed.

Basically, instead of

print(guess_high_or_low("High", 50))

You’ll need to do

print(roulette("High", 50)) #play guess_high_or_low
#or
print(roulette(27, 50)) #play guess_the_number

Then inside the roulette function, rather than having these two lines immediately follow their respective function definitions, you’ll need a way to determine which of them to execute.

return guess_the_number(guess, bet)
#and
return guess_high_or_low(guess, bet)

Hint: Possibly something like this:

  if type(guess) == int:
    return guess_the_number(guess, bet)
  else:
    return guess_high_or_low(guess, bet)

Also need to make sure that number_guessed gets defined at the beginning of the function. I’d consider renaming it since it is the result of spinning the wheel.