#!/usr/bin/env python3
# ls-items <dir>: Lists the number of files in each sub-directory of the target dir
import argparse
from pathlib import Path


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="Lists the number of files in each sub-directory of the target dir")
    parser.add_argument("dir", help="The target directory", default=".", nargs="?")
    args = parser.parse_args()
    
    target = Path(args.dir)
    if not target.is_dir():
        print(f"{target} is not a directory")
        
    for subdir in target.iterdir():
        if subdir.is_dir():
            print(f"{subdir.name}: {len(list(subdir.iterdir()))}")