exercise 9.4 - uses_only

"""=============================

exercise 9.4

============================="""

def uses_only (word, only_chars):

    for char in word:

        if char.lower() not in only_chars.lower():

            if char != " ": #ignore space character

                return False

    return True

    

print uses_only("Ho ho ho","acefhlo")

print uses_only("Flo ace hoe","acefhlo")