input: 
  def execute_horror_query(database: str) -> list:
      """ Re-write the SQL query `SELECT * FROM Movies WHERE category = 'horror'` in Python.
  
      >>> execute_horror_query('movies.db')
      [('Movie1', 'horror'), ('Movie2', 'horror')]
      """
  
output:     import sqlite3
      conn = sqlite3.connect(database)
      cursor = conn.cursor()
      cursor.execute("SELECT * FROM Movies WHERE category = 'horror'")
      result = cursor.fetchall()
      conn.close()
      return result