MCP Server Distributable

from typing import Iterable #!/usr/bin/env python3 # /c:/mcp_tool_calling/test.py # GitHub Copilot def sort_alphabets(s: str) -> str: """ Return all alphabetic characters from s, lowercased and arranged in sorted order. Uses counting sort over 26 letters for O(n) performance. """ counts = [0] * 26 base = ord('a') for ch in s: if ch.isalpha(): idx = ord(ch.lower()) - base if 0 <= idx < 26: counts[idx] += 1 parts = [] for i, cnt in enumerate(counts): if cnt: parts.append(chr(base + i) * cnt) return ''.join(parts) def sort_letters_preserve_nonletters(s: str) -> str: """ Sort only the alphabetic characters in s (case-insensitive), keep non-letters in their original positions, and preserve original case for the letters as they are inserted back in sorted order by lowercase. """ letters = [ch for ch in s if ch.isalpha()] letters.sort(key=lambda c: c.lower()) it = iter(letters) return ''.join(next(it) if ch.isalpha() else ch for ch in s) def _run_tests() -> None: # Basic tests for sort_alphabets assert sort_alphabets("") == "" assert sort_alphabets("bca") == "abc" assert sort_alphabets("a1c2b") == "abc" assert sort_alphabets("Hello, World!") == "dehllloorw" # Tests for sort_letters_preserve_nonletters assert sort_letters_preserve_nonletters("bca") == "abc" assert sort_letters_preserve_nonletters("a1c2b") == "a1b2c" assert sort_letters_preserve_nonletters("Hello, World!") == "deHll, loorW!" print("All tests passed.") def main() -> None: _run_tests() examples = [ "mcp_tool_calling", "bca", "a1c2b", "Hello, World!" ] for s in examples: print(f"input: {s}") print(f"sorted: {sort_alphabets(s)}") print(f"preserve: {sort_letters_preserve_nonletters(s)}") print("-" * 40) if __name__ == "__main__": main()