Apple Picker: Release-Alpha 1.0.2

#!/usr/bin/env python
# Remember to run from your terminal!

# What's new in version Alpha 1.0.2
# -provided a fix for users running on windows that actually works.


from random import randint
import os, time

global gold
global apples
apples = 1
gold = 1

prompt = "> "

def main():
    global gold
    global apples
    os.system('cls' if os.name == 'nt' else 'clear')
    print "Gold: %r Apples: %r" % (gold, apples)
    print "Pick an apple?"
    choice = raw_input(prompt)
    if choice == "yes":
    pick()
    elif choice == "no":
    os.system('cls' if os.name == 'nt' else 'clear')
    global gold
    global apples
    print "Apples: %r Gold: %r" % (apples, gold)
    print "Sell apples?"
    sell = raw_input(prompt)
    if sell == "yes" and apples >= 1:
        global gold
        global apples
        gold = gold * apples
        apples = apples - apples
        if gold >= 100 ** 100:
        os.system('cls' if os.name == 'nt' else 'clear')
        print "\t\t\tYou won!"
        print "Congrats on controlling the apple market!"
        else:
        time.sleep(0.7)
            main()
    elif sell == "yes" and apples <= 0:
        print "\nNot enough apples!"
        time.sleep(0.7)
        main()
    elif sell == "no":
        main()
    else:
        main()
    elif choice == "exit":
    os.system('cls' if os.name == 'nt' else 'clear')
        print "Bye..."
    else:
    main()

def pick():
    os.system('cls' if os.name == 'nt' else 'clear')
    global gold
    global apples
    print "Type 0 to exit. How many?"
    print "Apples: %r Gold %r" % (apples, gold)
    try:
    apple_num = int(raw_input(prompt))
    if apple_num == 3 or apple_num == 2 or apple_num == 1:
        global apples
        apples = apples + apple_num
        time.sleep(0.5)
        pick()
        elif apple_num >= 4:
        os.system('cls' if os.name == 'nt' else 'clear')
        print "You can't haul that many apples!"
        time.sleep(0.5)
        pick()
    elif apple_num == 0:
        main()
    except ValueError:
    pick()