Complete the method that takes a boolean value and return a `"Yes"` string for `true`, or a `"No"` string for `false`.
def bool_to_word(boolean):
    if boolean == True:
        y = 'Yes'
        return y
    elif boolean == False:
        n = 'No'
        return n
bool_to_word(True)    
def bool_to_word(boolean):
    if boolean == True:
        y = 'Yes'
        return y
    elif boolean == False:
        n = 'No'
        return n
bool_to_word(True)    