input: Write a function to store a list of books in a dictionary. Each book should include title, author, and number of pages. The function should take a list of tuples as input, where each tuple contains a book's title, author, and number of pages. The function should return a list of dictionaries, where each dictionary represents a book with keys 'title', 'author', and 'pages'.
  
  assert store_books([('The Hobbit', 'J.R.R. Tolkien', 295), ('The Catcher in the Rye', 'J.D. Salinger', 223)])==[{'title': 'The Hobbit', 'author': 'J.R.R. Tolkien', 'pages': 295}, {'title': 'The Catcher in the Rye', 'author': 'J.D. Salinger', 'pages': 223}]
  assert store_books([('1984', 'George Orwell', 328)])==[{'title': '1984', 'author': 'George Orwell', 'pages': 328}]
  assert store_books([])==[]
output: def store_books(books):
      return [{'title': title, 'author': author, 'pages': pages} for title, author, pages in books]