Is there a way to convert a NoneType into a String?

Question

Is there a way to convert a NoneType that the user inputs into a string, in python?
This is my code:

topping = print(input("What topping would you like on your pizza?"))
requested_toppings = []
requested_toppings.append(topping)
print("Adding" + topping + "...")
print("n Finished Making Your Pizza!")

I have tried using str(topping) between the requested toppings list and the append. What am I doing wrong? Thanks!

Asked By: PandaTurtle

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Source

Answer 1

You do not need print() around the input function. The input function already prints the message as a prompt. The reason you are getting None is because the print function does not return anything, whereas the input function does.

Here is the corrected code:

topping = input("What topping would you like on your pizza?")
requested_toppings = []
requested_toppings.append(topping)
print("Adding" + topping + "...")
print("n Finished Making Your Pizza!")

Answered By: Lecdi

Answer 2

It is possible to "convert" None to str -> str(None) which will result a string 'None'. This is not what you want here.

You have a problem in your code – input returns a string, but you print it. print doesn’t return a value, so after topping = print(input("What topping would you like on your pizza?")), topping will be equal to None.

Instead, you should save the value from the input in the topping variable:

topping = input("What topping would you like on your pizza?")

If no input is given, you will receive an empty string from the user, so you still won’t need to convert None to a string.

Answered By: Liron Berger

Is there a way to convert a NoneType into a String?

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