Reading and Writing Files in Python

Now that you know how to open files, let's explore the different ways to read from and write to them. We'll cover all the methods, how to handle large files efficiently, and important details like text encoding.

Writing Files – Different Methods

write() writes a string. writelines() writes a list of strings.

Reading Files – Different Methods

read() reads everything, readline() one line, readlines() all lines into list.

Processing Large Files

For big files, read line by line instead of loading all at once.

File Encoding

Specify encoding for special characters (default usually UTF-8).

Quick Quiz