Checks for blanks but allows numbers

01_recipe_name.py

# Get's recipe and checks it is not blank

# Not Blank Function goes here
def not_blank(question):
    valid = False
    while not valid:
        response = input(question)

        if response == "":
            continue
        else:
            return response


# Main Routine goes here

recipe_name = not_blank("What is the recipe name? ")

print("You are making {}".format(recipe_name))