Ashkar-m

"""
Post Lookup — JSONPlaceholder API
====================================
API     : https://jsonplaceholder.typicode.com  (free, no key, never goes down)
Endpoint: GET /posts/{id}   — fetch a single post by ID (1 to 100)

Clean JSON output (4 fields):
    { "status": 200, "post_id": int, "title": str,
      "body": str, "user_id": int }

Ashkar-m

def find_unique_pairs(arr, target):
    if not isinstance(target, (int, float)):
        raise TypeError(f"Target must be a numeric value, got {type(target).__name__!r}")
    if not isinstance(arr, (list, tuple, set)):
        raise TypeError(f"Input must be a valid list or array, got {type(arr).__name__!r}")
    clean_arr = [x for x in arr if isinstance(x, (int, float)) and not isinstance(x, bool)]
    if len(clean_arr) < 2:
        return []
    seen = set()
    result_pairs = set()

Ashkar-m

"""
Rate Limiter — Event Log Deduplicator
======================================
For each userId, an event is ALLOWED only if the same user
has not had an allowed event within the last `window` seconds.
Comparison is always against the last ALLOWED event, not blocked ones.
"""

import warnings