Working with files in Python is pretty easy. But there’s a common mistake that can sneak into your code. Not closing the file ...

To figure out how to invest, consider your goals, how much money you have and how long you plan to leave that money invested. You can then invest in assets like stocks, bonds, funds or real estate.

From her early days as an intern at NBCU to getting hired by Elon Musk to be CEO of X, to leading a telehealth company, follow Linda Yaccarino's career rise.