We knew which row has incorrect data from the link so that we can del the row easily. But in real life, no one would tell data analyst which row has a problem. So how to identify which row has the incorrect data? what code we can use…
That’s part of the initial exploration and cleaning of the data that you will learn about as you move forward with the Missions.
Don’t worry, you will learn how to approach this soon enough as you keep progressing!