def read_words(words_file):
    """ (file open for reading) -> list of str

    Return a list of all words (with newlines removed) from open file
    words_file.

    Precondition: Each line of the file contains a word in uppercase characters
    from the standard English alphabet.
    """

    wordlist = []
    
    for line in words_file:
        wordlist.append(line.rstrip('\n'))

    return wordlist