Help me to improve my skills

Hello , I’m looking for
1 / challenges in programming solving + Machine Learning to practice

2/ I have some problems when I m looking for predefined functions so where could I find all those functions

it’s lovely to send me problems to solve + books which contains all predefined function
and thank you

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Hi and welcome to the community!
Regarding ML challenges, a good place to look is Kaggle.
As for “predefined functions”, I’m not sure what you mean, could you elaborate?

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thank you sir
predefined functions are functions existing in julia packages which are so helpful and save a lot of time

thank you sir for your help It’s lovely from you