Type safety

Type safety is like playing with blocks. You know how you have different shapes of blocks, like circles, squares, and triangles? And you know how some of them fit together, like putting a circle block into a circular hole, and some of them don't, like trying to put a square block into a circular hole? That's type safety!

In programming, we also have different types of things we can use, like numbers, words, and lists. And just like with blocks, some types can be combined together, like adding two numbers or putting words into a list. But some types don't work well together, like adding a word and a number, or trying to put a number into a list of words.

Type safety is all about making sure we use the right types in the right places so that our code works correctly. Just like with blocks, if we try to use the wrong types together, our code won't fit together like it should, and it might not work at all! So it's really important to be careful with types and make sure we're using them correctly.