What are side effects in programming?
Side effects in programming refer to changes in state that occur outside of a function's local environment, affecting other parts of the program.
Can you give me an example of a side effect?
Sure! An example of a side effect is when a function modifies a global variable or changes the contents of a data structure that exists outside its scope.
Why are side effects considered bad practice?
Side effects can make code harder to understand and debug, as they introduce dependencies between functions and can lead to unexpected behavior.
How can I avoid side effects in my code?
To avoid side effects, you can use pure functions, which always return the same output for the same input and do not modify any external state.
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