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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def do_zsh_complete(cli, prog_name):
 """Do the zsh completion Parameters cli : click.Command The main click Command of the program prog_name : str The program name on the command line Returns ------- bool True if the completion was successful, False otherwise """

    commandline = os.environ['COMMANDLINE']
    args = split_args(commandline)[1:]
    if args and not commandline.endswith(' '):
        incomplete = args[-1]
        args = args[:-1]
    else:
        incomplete = ''

    def escape(s):
        return s.replace('"', '""').replace("'", "''").replace('$', '\\$').replace('`', '\\`')
    res = []
    for item, help in get_choices(cli, prog_name, args, incomplete):
        if help:
            res.append(r'"%s"\:"%s"' % (escape(item), escape(help)))
        else:
            res.append('"%s"' % escape(item))
    if res:
        echo("_arguments '*: :((%s))'" % '\n'.join(res))
    else:
        echo("_files")

    return True