Getting Project File Stats with Python

import os, sys
from collections import defaultdict
if len(sys.argv) == 1:
        path = '.'
else:
        path = sys.argv[1]
print(f"Inspecting dir: {os.path.abspath(path)}")
dir_count, file_count, size_count = (0, 0, 0)
file_type_counts = defaultdict(lambda: 0)
for dirpath, dirnames, filenames in os.walk(path):
        dir_count += len(dirnames)
        file_count += len(filenames)
        for f in filenames:
                size_count += os.path.getsize(os.path.join(dirpath, f))
                base, ext = os.path.splitext(f)
                if ext == '':
                        file_type_counts[base] += 1
                else:
                        file_type_counts[ext] += 1

# Sort file_type_counts by value then print
file_size = round(size_count / (1024 * 1024))
print(f"Total file count: {file_count}")
print(f"Total dir size: {file_size} MB")
print(f"Total dir count: {dir_count}")
print(f"Top 10 file type counts:")
top_type_counts = sorted(file_type_counts, key=file_type_counts.get, reverse=True)[:10]
for file_type in top_type_counts:
        type_count = file_type_counts[file_type]
        percentage = (type_count / file_count)
        print(f"  {file_type:25} {type_count:<10} {percentage:.1%}")