Loops are a commonly used structure in programming that allows you to repeat a block of code a set number of times, or until you meet a particular condition. This is useful for many reasons. For ...

In the following example, we loop through a list of numbers, and use the variable digit to hold each number in turn: Strings in Python are considered “sequences” — they can be iterated over, and the ...

A list is a collection of variables. Let’s use the example of a string. A string is a variable that stores a string of alphanumeric characters and symbols. This is used to store such things as names ...

If you’ve ever written any Python at all, the chances are you’ve used iterators without even realising it. Writing your own and using them in your programs can provide significant performance ...

Note: We use the same examples to demonstrate how to use for loops and while loops. However, for some situations, using while loops may be more appropriate than using for loops or vice versa. It is ...

That loop is creating a load of empty dictionaries, then your second loop is overwriting those dictionaries with new ones that have your desired data already contained within.