What are default parameter values in programming?
Default parameter values allow functions to be called with fewer arguments than defined, using preset values.
Can you give me an example of how to use default parameters in Python?
Sure! In Python, you can define a function like this: def greet(name='Guest'):
. If you call greet()
, it will return 'Hello, Guest!'.
What happens if I provide an argument when calling the function?
If you provide an argument, it will override the default value. For example, greet('Alice')
will return 'Hello, Alice!'.
Are default parameters a good practice?
Yes, they can make your functions more flexible and easier to use, but use them judiciously to avoid confusion.
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