Python

How do you find the length of a range object in Python? In Python the built-in function len() can provide the length of a string or list, can the same …

What are the most common string operators used in Python and why they’re essential to know? It doesn’t take long when you begin programming in Python to work with strings …

How do you remove the file extension from a path in Python? And can you do it using just one line of code? The file extension is generally the last …

What does [:-1] in Python actually do and why would you want to use it? [:-1] in Python is a slice operation used on strings or lists and captures all …

What operator is used to raise a number to a power in Python? In Python the double asterisk operator ** is used to help calculate the exponent of a number …

What does the asterisk before a variable name mean in Python? For example, if I have a variable that contains a list of strings and the name of the variable …

In Python 3.8 a new assignment expression hit allowing for easier access of variables that are used when being assigned. Here are some tips on how this can be used …

How do you zip two lists together in Python? What if you want to zip multiple lists together, is it the same process or something different? The built-in function zip() …

How do you initialize an empty dictionary in Python? Is it best to use dict() or {}? There are two common ways of initializing a dictionary in Python. One involves …

It can be quite easy to get the first character in a string, but how can you get the first n characters from a string? Or what about the last …

How do you increment through a for loop by 2 or more using Python? To iterate by 2 or more when processing a for loop expression use the third parameter …

How can you use the Python Regex library to check if a string represents a phone number? To check if a string matches a specific pattern use the Regex library’s …

How do you convert a string representing a percentage number into an actual number that can be used to perform calculations? To convert a string represented as a percentage number …

How do you know if a string will convert to an integer in Python? There are 3 ways to check if a string will convert to an integer in Python …

How do you capitalize the first letter of each word in a string using Python? To capitalize the first letter of every word in Python using one line of code …

How do you find the length of a string in Python without needing to import libraries? To find the length of a string in Python use the built-in len() function …

Does Python have a ternary operator? If so, how does it work? A ternary operator, otherwise known as a conditional expression, is a simple if-else statement that is performed on …

What is the difference between using the logical operators and and or in Python? When using the and logical operator in Python all conditions in the statement need to be …

What does := mean and do in Python? Since Python version 3.8 the new assignment expression, also known as the walrus operator, enables developers the ability to assign a variable …

How do you split a string into two equal halves using Python? To tackle this exercise you need to know how you’re going to operate on odd numbered string lengths. …