What are bugs ?

Answer 1

Here are failures that we know (something) about and intend to fix in a following patch release. These bugs may simply be in the test suite, but they may indicate bugs in Python.</li> <ul> <li>test_grp and test_pwd may fail

Answer 2

bugs are basically mistakes in your code
when your code is not written properly it can not run or be compiled because of bugs
luckily the compiler / interpreter tells you in which line exactly you have a bug and also the type of it

Answer 3

Bugs are the motivators of coders which motivates him/her to make codes correctly 🙂

Answer 4

Keep it simple:

Bugs: Malfunctioning in an application feature, causing stranges behaviors in it.

Answer 5

As everybody said, Bugs are parts of the code that makes it malfunction. But why is it called a bug? Read along:

The reason that it is called a bug is, one of the early computers (that looks very big) had a real bug inside it (a moth, I think). It messed up the output of their program. So it was named bug. Any malfunction in computers, thay appeared after that incident are called bugs in the program. That's where the name came from.