"""This module provides a function to convert a number into a string that
 contains raindrop sounds corresponding to certain potential factors."""

def convert(number):
    """Converts a number into a string that contains raindrop sounds
    corresponding to certain potential factors."""
    sound = ""
    digit=True

    if number % 3 == 0:
        sound += "Pling"
        digit=False
    if number % 5 == 0:
        sound += "Plang"
        digit=False
    if number % 7 == 0:
        sound += "Plong"
        digit=False
    if digit: sound = f"{ number }"

    return sound