00:00 Review of the previous chapter, answering questions raised during the previous video.
00:50 Power of. About forgetting language constructs.
02:50 Check if a string can be converted to a float.
07:45 Solution of the area of rectangle exercise.
13:57 Solution of calculator exercise.
20:10 Command line arguments
32:10 Command line arguments - len
34:00 Showing PyPi
35:03 Command line and exit. Usage. Exit code.
41:25 Continuous Integration systems.
43:20 Exercises: Rectangle, Calculator.