<reponame>KenMercusLai/checkio
def left_join(phrases):
    # Join strings and replace "right" to "left"
    text = ','.join(phrases)
    while text.find('right') != -1:
        text = text.replace('right', 'left')
    return text


if __name__ == '__main__':  # pragma: no cover
    # These "asserts" using only for self-checking and not necessary for
    # auto-testing
    assert (
        left_join(("left", "right", "left", "stop")) == "left,left,left,stop"
    ), "All to left"
    assert left_join(("bright aright", "ok")) == "bleft aleft,ok", "Bright Left"
    assert left_join(("brightness wright",)) == "bleftness wleft", "One phrase"
    assert left_join(("enough", "jokes")) == "enough,jokes", "Nothing to replace"

def left_join(phrases):
    # Join strings and replace "right" to "left"
    text = ','.join(phrases)
    while text.find('right') != -1:
        text = text.replace('right', 'left')
    return text


if __name__ == '__main__':  # pragma: no cover
    # These "asserts" using only for self-checking and not necessary for
    # auto-testing
    assert (
        left_join(("left", "right", "left", "stop")) == "left,left,left,stop"
    ), "All to left"
    assert left_join(("bright aright", "ok")) == "bleft aleft,ok", "Bright Left"
    assert left_join(("brightness wright",)) == "bleftness wleft", "One phrase"
    assert left_join(("enough", "jokes")) == "enough,jokes", "Nothing to replace"
# Join strings and replace "right" to "left" # pragma: no cover # These "asserts" using only for self-checking and not necessary for # auto-testing