input: Write a python function to find and print the keywords from a given text.
  assert find_keywords("The best way to learn a programming language is to practice coding.") == []
  assert find_keywords("import the best practices from the experts") == ['import', 'from']
  assert find_keywords("def a function that returns a value") == ['def', 'return']
output: def find_keywords(text):
      import keyword
      words = text.split()
      return [word for word in words if keyword.iskeyword(word)]