Topics Discussed:
1)Opening a File
2)Reading from a file
3)Closing a file

Python for beginners:

https://www.youtube.com/watch?v=egq7ZLqtbcI&list=PLNhFkFk6qEgIq3lcbmxWIBFjEcq4lwRyk

Web 🌐http://www.clcoding.com/
Telegram: https://t.me/clcoding_python
…

Prerequisite:
File Handling | Python | Castor Classes
https://www.youtube.com/watch?v=-ENVe184atY

Writing to file in Python | Castor Classes
https://www.youtube.com/watch?v=lYTx2BMVDNg

Python for beginners:

https://www.youtube.com/watch?v=egq7ZLqtbcI&…

Prerequisite:
File Handling | Python | Castor Classes
https://www.youtube.com/watch?v=-ENVe184atY

Writing to file in Python | Castor Classes
https://www.youtube.com/watch?v=lYTx2BMVDNg

Append to a file | Python | Castor Classes
https://www.youtube.com/…

Python for beginners:

https://www.youtube.com/watch?v=egq7ZLqtbcI&list=PLNhFkFk6qEgIq3lcbmxWIBFjEcq4lwRyk

Web 🌐http://www.clcoding.com/
Telegram: https://t.me/clcoding_python
https://www.facebook.com/pirawenpython/
https://www.facebook.com/groups/pirawenpython/…

Code:
(Note: It will work only if you open your file with variable e)
li=[];
for i in e:
i=i.replace("\n","").split(",");
li.append(i);
e.close()

Note the values are float , but in above list li , those are stored as string , you can further type…

Python for beginners:

https://www.youtube.com/watch?v=egq7ZLqtbcI&list=PLNhFkFk6qEgIq3lcbmxWIBFjEcq4lwRyk

Web 🌐http://www.clcoding.com/
Telegram: https://t.me/clcoding_python
https://www.facebook.com/pirawenpython/
https://www.facebook.com/groups/pirawenpython/…

Syntax: ImageVariableName.crop(box)
Parameters:
box – a 4-tuple defining the left, upper, right, and lower pixel coordinate.
Return type: Image (Returns a rectangular region as (left, upper, right, lower) tuple).
Note:
The Python Imaging Library uses a Cartesian…

Check this link to explore more:
https://pillow.readthedocs.io/en/3.1.x/reference/Image.html

Python for beginners:

https://www.youtube.com/watch?v=egq7ZLqtbcI&list=PLNhFkFk6qEgIq3lcbmxWIBFjEcq4lwRyk

Web 🌐http://www.clcoding.com/
Telegram: https://t.m…

Prerequisite:
File Handling | Python | Castor Classes
https://www.youtube.com/watch?v=-ENVe184atY

Python for beginners:

https://www.youtube.com/watch?v=egq7ZLqtbcI&list=PLNhFkFk6qEgIq3lcbmxWIBFjEcq4lwRyk

Web 🌐http://www.clcoding.com/
Telegram: https:…

Code is given in the comment section.

Stacks and Queues using List | Data Structures | Python | Castor Classes
https://www.youtube.com/watch?v=bMVBWseoJJY&t=248s

Problem Statement:
Evaluate the value of an arithmetic expression in Reverse Polish Notation.…

Code is given in the comment section.


Prerequisite:

Single Number | Practice Problem on List | Python | Castor Classes:
https://www.youtube.com/watch?v=mIQBloo8LF0

Single Number II | Practice Problem on List | Python | Castor Classes
https://www.yout…