input: 
  def fetch_horror_movies_from_db() -> None:
      """Connects to a SQLite database named 'movies.db', fetches all movies 
      from the 'Movies' table that belong to the 'horror' category, 
      and prints each movie's details.
      >>> fetch_horror_movies_from_db() 
      # Assuming 'movies.db' contains rows with 'horror' as the category, 
      # this function will print those rows.
      """
      import sqlite3
  
      conn = sqlite3.connect('movies.db') 
      cursor = conn.cursor()
  
      cursor.execute("SELECT * FROM Movies WHERE category = 'horror'")
  
      result = cursor.fetchall()
      for row in result:
          print(row)
  
      conn.close()
  
output:     import sqlite3
  
      conn = sqlite3.connect('movies.db') 
      cursor = conn.cursor()
  
      cursor.execute("SELECT * FROM Movies WHERE category = 'horror'")
  
      result = cursor.fetchall()
      for row in result:
          print(row)
  
      conn.close()