from __future__ import print_function # use python 3.0 printing

def age_limit_output(age):
    '''Step 6a if-else example'''
    AGE_LIMIT = 13     # convention: use CAPS for constants
    if age < AGE_LIMIT:
        print(age, 'is below the age limit.')
    else:
        print(age, 'is old enough.')
    print('Minimum age is', AGE_LIMIT)

def report_grade(percent):
    '''Step 6b if-else'''
    MIN_PER = 80
    if percent >= MIN_PER:
        print('A grade of', percent, 'indicates Mastery.')
        print('Keep up the good work')
    else:
        print('A grade of', percent, ' does not indicate mastery.')
        print('Seek extra practice or help')
        
def vowel(letter):
    vowels = 'aeiouAEIOU'
    if letter in vowels:
        return True
    else:
        return False
# should check len(letter)==1

def letter_in_word(guess, word):
    if guess in word:
        return True
    else:
        return False
