Lesson 1 Episode 3 — Explore the changes recorded in the history

Please perform the following tasks individually

1. The baseline

   1. Check that the history has 5 commits

   2. Check that the file has 7 lines

2. The action.

   1. Explain to yourself the difference between the outputs of these two commands:

      git diff HEAD~3 HEAD~4 Lines.txt
      git diff HEAD~3 HEAD~4
      

What is the reason of the (lack of) difference between the outputs?