Compare input() to textfile

[gruntfutuk]

I'm very confused by your explanation. The phrase "I like to eat apples" contains only two words that appear in the file you mentioned, yet you want to output a message saying 'I do not understand orange, bake, and banana'. How are you deciding what to output?

Some basic commands to learn:

• To open a file and read contents:
  

  with open('myfile.txt') as filename:
      words = filename.read()

  The words variable now references a string holding the contents of the file. A '\n' character will mark each line in the string.
  
• To get the user input: phrase = input('Enter a phrase: ')
  
• To break up a phrase into distinct words, use the split() string method.
  
• To loop through words in a list of words, use a for loop, e.g. for word in phrase_words:
  

You need to be clear on the problem you are trying to solve, and how to solve it (as a set of tasks, rather than specifically as a python programme at first). Think how you would do it manually if breaking it down to very basic steps rather than making human leaps.