To find the length of a list use the built-in len() function which takes a single parameter that is iterable. For example this could be a string, list, tuple or dictionary and here is how it would look: This may be the easiest and quickest way of being able to find the length of a …
One way to determine if one value does not equal another is to use the != comparator, but what if you’re not comparing two values – how can you determine if something is not true? Python has an inbuilt operator aptly called not which permits a user to check a variable, or a function’s result …
Previously I looked at how to use the enumerate() built-in function with a for loop to provide two variables when iterating through a list. In that article the enumerate() function provides both an index number and the element in each list by wrapping these together into a tuple. But what happens when the enumerate() function …
The for loop in Python allows the user to iterate through a variable that is iterable, such as a list. In Python the syntax for the loop is simply: for x in my_list: and you’re off looping through each element in my_list. But how do you access the index number of the element? In other …
How do you print a tab character in Python? The easiest way to print a tab character in Python is to use the short-hand abbreviation ‘\t’ (don’t forget the quotation marks – it needs to be parked inside a string). To see the tab-spaced character in the REPL output pane, wrap any variable containing a …
When you want to print the contents of a list you have a couple of different options depending upon the context. If you’re in the REPL there’s the easy method of entering the name of the variable storing the list, to the option of using the standard print function. If you’re within a script file …
