When and how did you first start applying synchronous I/O in your projects?

I started using synchronous input-output in Python in the early stages of learning the language, when writing simple scripts for reading and writing files or working with network requests without using asynchronous features.

For example, to read a file, I used the standard code:

with open('file.txt', 'r') as f:
    data = f.read()
    print(data)

This approach is simple and suitable for tasks where parallel processing or high performance in input-output is not required.