A simple game to guess a random number!

guess.py

from random import randint

def game():
    print("Welcome to the number guessing game!")
    while True:
        pair = setup()
        rand = generate(pair)

        print("Time to guess the number chosen...")
        tries = get_guesses(pair, rand)
        wording = ""
        if tries == 1:
            wording = "try"
        else:
            wording = "tries"
        print("You guessed the number in " + str(tries) + " " + wording + "!")
        print("The number was " + str(rand) + " and there were " + str((pair[1]-pair[0])+1) + " possible answers!")
        again = input("Play again? [y/n]:")
        if again == "y":
            continue
        else:
            print("Goodbye")
            return

def setup():
    print("Please enter the variables...")
    return get_values()

def get_guesses(pair, rand):
    print("Enter a number from "+ str(pair[0]) + " to " + str(pair[1]) + "!")
    correct = False
    tries = 0
    while not correct:
        tries += 1
        guess = int(input("> "))
        if guess < pair[0] or guess > pair[1]:
            print("Try to guess within the range!")
        if guess == rand:
            correct = True
        else:
            print("Try again!")
    return tries

def get_values():
    lower = -1
    upper = -1

    while lower == -1:
        lower = int(input("Enter the lowest number: "))
        if not lower >= 0:
            print("You must enter a positive number!")
            continue

    while upper == -1:
        upper = int(input("Enter the highest number: "))
        if not upper >= 0:
            print("You must enter a positive number!")
            continue

    if not lower < upper:
        print("The lower value must be less than the upper value.")
        return get_values()
    return [lower, upper]

def generate(pair):
    rand = randint(pair[0], pair[1])
    return rand

game()