How To Print A String And A Variable In Python (3 Techniques)
There are times when you want to be able to print the contents of a variable along with a string to help provide some context around what has been output …
Python
Python is a great language to get started with and one that you can operational with quite quickly, especially if you have to deal with data in your line of work.
I have been able to use Python to help wrangle through CSV files, fetch data remotely from the web using the famous requests library, and do some database operations.
Python has a REPL feature that can help you tinker with the code and quickly test the syntax as you learn. There are many helpful resources, and some of the posts below are things I’ve learned (and am still learning!) along the way, hopefully they can help assist you in your journey too.
How To Change A String ToLower Case In Python
A way to easily sort a list of strings equally is to change all the strings to lower case, but how do you change strings to lower case in Python? …
Sort Dictionary By Key Or Value In Python [Examples, One-Liners, No Imports]
It can be easy to sort a list, whether a list of strings or even a list of dictionaries, but can you sort just a dictionary? Another handy expression that …
Python ORD() Function [Code Examples & One-Liners]
The built-in ord() function in Python converts any Unicode character into a number. It only takes one parameter which must be a single Unicode character, any more than one character …
Split A String Into List Of Characters In Python [Code Examples, One-Liner, No Imports]
A common requirement in Python is to split a string into the characters which make up the string. I’ve previously shown how you can do this by breaking up a …
Find The Length Of List In Python [Examples, One Liners, No Imports]
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 …
How To Use NOT Operator In IF Statement In Python [Code Examples]
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 …
Enumerate Dictionary In Python [Code Examples]
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 …
How To Use 2 Variables In For Loop In Python (Code Examples)
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 …
How To Print A Tab In Python
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’. To see the tab …
How To Print A List In Python (And With Custom Formatting)
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 …
How To Increment A Variable By 1 In Python
How do you increase a variable by one in Python? In other popular programming languages to increment a variable by one you can use the simple increment syntax of ++, …
Transpose A List Of Lists: Python Examples, No Imports
When using a spreadsheet it can be as easy as using the TRANSPOSE function on a range to transform the rows and columns into columns and rows, but how do …
How To Create A List With Values: Python Code (Examples, One-Liners, No Imports)
You can construct a list in a certain number of ways as detailed in the Python documentation. The most popular I use the most is by defining my list variables …
Remove Multiple Items From List By Index: Python (Examples, No Imports, One-Liners)
To remove an individual item from a list in Python you can use either a list method or the del statement, both approaches mutate the original list – meaning the …
Sort List By String Length: Python Code Examples (No Imports)
To sort a list of strings according to their length, use a lambda function on the key parameter with the lambda function using the len function on each element. This …
Python: Empty String To INT
To convert a string to an integer you use the handy int() function. For example, if you have a string such as “79” and you insert this like so into …
How To Flatten A List Of Lists In Python (Examples & No Imports)
Recently, I had an exercise where I needed to flatten a two-dimensional list down to just one dimension, something where I needed the result to be like this: There were …
Is A List A Data Type?
In Python there is a handy function to determine the data type of any variable, and it is aptly called type(). This function can help to assess whether a variable …
Python For Loop One Liner With IF Conditions [Code Examples]
There have been times when I wanted to perform a simple for-loop filter operation on a list, and I’ve often wondered if there’s a quick and simple way to do …
