Added Leetcode Coding Question Bot

coding_Q_bot/README.md

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+# LeetCode Random Problem Link Generator
+
+This Python script retrieves a random coding problem link from LeetCode using the LeetCode GraphQL API. You can specify a difficulty level (easy, medium, or hard) to get a problem link suited to your preference.
+
+## Features
+
+- Fetches a random problem from LeetCode’s problem set.
+- Allows difficulty selection: easy, medium, or hard.
+- Generates a clickable link to the selected LeetCode problem.
+
+## Prerequisites
+
+Ensure you have Python installed. This script also requires the `requests` library. Install it via pip:
+
+```bash
+pip install requests

coding_Q_bot/coding_question_bot.py

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+import requests
+import random
+
+# LeetCode GraphQL endpoint
+API_URL = "https://leetcode.com/graphql"
+# Query to get problems by difficulty
+QUERY = """
+query getRandomProblem($difficulty: String!) {
+  problemsetQuestionList(
+    categorySlug: "algorithms"
+    filters: { difficulty: $difficulty }
+    limit: 50
+    skip: 0
+  ) {
+    questions {
+      title
+      titleSlug
+      difficulty
+    }
+  }
+}
+"""
+
+# Headers to mimic a browser request
+HEADERS = {
+    "Content-Type": "application/json",
+    "Referer": "https://leetcode.com/problemset/all/",
+    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
+}
+
+def get_random_problem_link(difficulty):
+    """Fetches a random problem link from LeetCode by difficulty."""
+    response = requests.post(API_URL, json={"query": QUERY, "variables": {"difficulty": difficulty}}, headers=HEADERS)
+
+    if response.status_code != 200:
+        return f"Failed to fetch problems (status code: {response.status_code})"
+
+    questions = response.json().get("data", {}).get("problemsetQuestionList", {}).get("questions", [])
+    if not questions:
+        return "No problems found for the given difficulty."
+
+    # Select a random problem
+    random_problem = random.choice(questions)
+    problem_title = random_problem.get("title")
+    problem_slug = random_problem.get("titleSlug")
+
+    # Return problem title and link
+    return f"{problem_title}: https://leetcode.com/problems/{problem_slug}"
+
+if __name__ == "__main__":
+    # Example usage with random difficulty level
+    difficulties = ["EASY", "MEDIUM", "HARD"]
+    selected_difficulty = random.choice(difficulties)
+    print(f"Fetching a random {selected_difficulty} problem...")
+    print(get_random_problem_link(selected_difficulty))