def to_string(x):  # [too-many-return-statements]
    # max of 6 by default, can be configured
    if x == 1:
        return "This is one."
    if x == 2:
        return "This is two."
    if x == 3:
        return "This is three."
    if x == 4:
        return "This is four."
    if x == 5:
        return "This is five."
    if x == 6:
        return "This is six."
    if x == 7:
        return "This is seven."