Update app.py

app.py

@@ -8,7 +8,7 @@ def generate_ml_blog():
         
     return blog
 
-def introduction_to_ml()():
+def introduction_to_ml():
     introduction_blog = '''
     ## Introduction to Machine Learning (ML)
     Machine Learning (ML) is a subset of Artificial Intelligence (AI) that enables computers to learn from data and make predictions or decisions without being explicitly programmed. It has revolutionized many industries and plays a crucial role in technologies such as self-driving cars, recommendation systems, and facial recognition.