When it comes to learning to code the most important bit of advice is that when you are learning there is no right way, and the only way to learn is by doing.
As well as using the links below to practise coding, it is also important to make sure you seek out the documentation for each language to understand each command
as well as use dedicated forums (e.g. StackOverflow) to learn how others have tackled the problem. There are many forums where you can post questions and answer them too!
As a statistician I always try to find resources that are useful to help explain statistical concepts to non-statisticians and encourage a deeper understanding. Alongside my Blogs that I am writing I hope these references will help you find more resources to lern more about statistics.