def read_file(filepath: str) -> list[str]:
    file = open(filepath, "r")
    return file.readlines()

def write_file(filepath: str, insert_string: str) -> bool:
    file = open(filepath, "w")
    file.write(insert_string)
    file.close()

def append_file(filepath: str, append_string: str) -> bool:
    file = open(filepath, "a")
    file.write(append_string)
    file.close()