Curious how the Caesar Cipher works? This Python tutorial breaks it down in a simple, beginner-friendly way. Learn how to ...

freeCodeCamp.org is a friendly community where you can learn to code for free. It is run by a donor-supported 501(c)(3) charity to help millions of busy adults transition into tech. Our community has ...

January 12, 2026 • Microbes are little alchemists that perform all manner of chemical reactions. A team of microbiologists co-founded a non-profit to try to harness those abilities to solve some of ...

Write a function named add_time that takes in two required parameters and one optional parameter: a start time in the 12-hour clock format (ending in AM or PM) a duration time that indicates the ...

January 10, 2026 • More protests are planned for Sunday as people nationwide demonstrate against the Trump administration's immigration enforcement tactics with the killing of Renee Good in ...

U.S. will leave 66 international organizations as Trump further retreats from global cooperation President Donald Trump on Wednesday signed an executive order suspending U.S. support for dozens of ...