Have Python import the os module by including the line "import os" at the start of your Python code.

Ubuntu is a free computer system, like Windows or macOS, but it’s built by a community. It’s great for programmers because it’s very flexible and has lots of tools already built-in that help you code.

In the field of data analysis, the Pandas library is undoubtedly a leader ... Use the following code to generate the dataset: python import numpy as np import pandas as pd df = pd.DataFrame({ "date": ...