Resolve "Guess a number till 20"

Closes #2 (closed)

flaskapp.py

@@ -7,7 +7,7 @@ from flask import Flask, request, jsonify
 app = Flask(__name__)
 
 # Generate a random number between 1 and 11
-secret_number = random.randint(1, 11)
+secret_number = random.randint(1, 21)
 
 
 @app.route('/guess', methods=['POST'])
@@ -19,8 +19,8 @@ def guess_number():
 
     user_guess = data['guess']
 
-    if not isinstance(user_guess, int) or user_guess < 1 or user_guess > 11:
-        return jsonify({"error": "Guess must be an integer between 1 and 11"}), 400
+    if not isinstance(user_guess, int) or user_guess < 1 or user_guess > 21:
+        return jsonify({"error": "Guess must be an integer between 1 and 20"}), 400
 
     if user_guess == secret_number:
         return jsonify({"result": "Correct! You guessed the right number."}), 200