This is particularly true in Python, seeing as Python is such a popular option for machine learning and data science. Read on then, and we’ll explore how to read CSV files in Python!

The problem I've noticed is that if I append the file with each of the 100k runs (one at a time), it can happen that two threads try to save to the file at the same time and some row (s) end up empty.

The read mode limits you to opening the file and reading what’s inside without being able to change or add to it. Write mode creates a file. Reading the file once it’s opened is done using the read () ...