O Level PR-3 — Chapter 3: Introduction to Python

Free video classes — tap any video and it plays right here on the website.

10 video classes available — all free

Chapter 3: Introduction to Python — Video Classes

10 free classes — tap any video to play it right here

1How to Install Python on Windows | Chapter 3 | Class 1 | O Level M3-R5.1 3:51

2History of Python | Chapter 3 | Class 2 | O Level M3-R5.1 2:57

3Python Introduction & Features | Chapter 3 | Class 3 | O Level M3-R5.1 6:07

4Python Interactive & Script Mode | Chapter 3 | Class 4 | O Level M3-R5.1 7:29

5Variables in Python — Rules, Valid & Invalid | Chapter 3 | Class 5 | O Level M3-R5.1 18:41

6Keywords in Python | Chapter 3 | Class 6 | O Level M3-R5.1 16:55

7Comments in Python | Chapter 3 | Class 7 | O Level M3-R5.1 7:53

8Data Types in Python | Chapter 3 | Class 8 | O Level M3-R5.1 13:38

9Type Conversion in Python | Chapter 3 | Class 9 | O Level M3-R5.1 15:51

10Python Practical — Data Types & Type Conversion (Implicit / Explicit) | Chapter 3 | Class 10 6:08

PR3 Home Video Classes Full Course

Run these Python programs yourself — free

Reading code is not the same as writing it. Type any program from these notes into our free online Python compiler (real Python 3 with NumPy, input() works), or study one of the explained programs with its output.

Open Python compiler Python Programs explained Practice questions