def simple_decompression(compressed_string):
    """Decompression for `simple_compression(string)`"""
    string = ''
    i = 0
    len_string = len(compressed_string)
    while True:
        if compressed_string[i].isdigit():
            print(compressed_string[i])
            s = i
            while i < len_string and compressed_string[i].isdigit():
                i += 1
            n = int(compressed_string[s:i])
            string += string[-1] * (n - 1)
        else:
            string += compressed_string[i]
            i += 1
        if i == len_string:
            break
    return string
