Spelling for beginners (it works on a mac)

spelling2.py

import random, subprocess, time

words = [
    'safe', 'wake', 'late', 'grade','cage',
    'plane', 'shape', 'away', 'gray', 'pray'
]

for i in range(len(words)):
    word = words[i]

    while True:
        subprocess.call(["say", word])
        answer = input("> ")
        if answer.lower() == word.lower():
            print("Good job!")
            time.sleep(0.4)
            break
        else:
            print("Nope. Try again")