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How To Quickly Check Python Version In PyCharm

How can you check the version of Python you are using in PyCharm? There are three ways to check the version of your Python interpreter being used in PyCharm: 1. check in the Settings section; 2. open a terminal prompt in your PyCharm project; 3. open the Python Console window in your Python project. Let’s look at each of these in a little more detail: How To Check Python Version Using PyCharm Settings To check the version of Python being used in your PyCharm environment, simply click on the PyCharm menu item in the top left of your screen, and then click on Preferences. ...

What Does [:] Mean In Python? Code Examples

The slice operator enables you to capture a subset of data from an original list or string using the format [start:stop:step]. Some popular use cases where I have used the slice operator include: Extracting year and/or month and/or day of the month from a string Extracting the zip code at the tail end of an address string Masking bank account or credit card numbers Extracting area code from phone numbers Here is how the Python [:] operator can work when populating the values on either side of the colon: ...

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 to the console. So how can you print both a string and a variable in Python? The three methods of being able to print a string and a variable together in Python is by using: string concatenation (using +), or using the .format() string method, or using f-strings. ...

Python Lower: Examples

How do you get a string to be all lowercase in Python? Thankfully there’s a built-in method that doesn’t require importing any external libraries to get a string to lower case, here’s how you do it. To get a string to all lowercase, use the built-in string method .lower(), which turns all characters in the string variable to lower case. Here is an example demonstrating the transformation of a string containing upper cases and converting them all to lower cases: ...

Inline For Loop With If Statements (Code Examples)

What is the syntax for writing a for loop on one line in Python? This syntax is known as a list comprehension and enables the user to write a for loop on one lin To write a for loop on one line in Python, known more commonly as the list comprehension, wrap the for loop in a list like so: [elem for elem in my_loop]. Here is an example demonstrating how this code works: ...

How To Get First Character From String (Shortest Code And Examples)

Is there a quick and easy way to get the first character from a string in Python? Yes, there is using the slice operator. To get the first character in a string simply use the code my_string[0] where my_string is a variable containing the string and the slice operator [0] captures the first index of that string, being the first character. ...

How To Get Last Character From A String (Shortest Code Examples)

How do you get the last character from a string using Python? Thankfully Python has an easy way to fetch the last character from a string using the slice operator. To get the last character of the string in Python use the syntax my_string[-1]. The square brackets are used to indicate a specific character by index number, and as string data types can be iterated, you can use the slice operator [:], specifically -1 inside to capture the last character. ...

How To Create A List Of Zeros (Code Examples)

Creating a list in Python can be super easy, but how do you populate that list with a bunch on zeroes? To create a list of zeroes in Python use the syntax [0] * n where n represents the number of items needed to create the list of zeroes required. Here’s an example demonstrating this use: 1 2 3 >>> my_zeros_list = [0] * 5 >>> print(my_zeros_list) [0, 0, 0, 0, 0] As you can see from the above example the list containing five elements are all populated with the value of 0. ...

How To Remove First & Last Characters From String In Python (Code Examples)

How can you remove the first and last characters from a string easily in Python? Can it be done using just one line of code? To remove the first and last characters from a string in Python use the slice operator on the string to return the needed characters, for example, my_string[1:-1]. Here is an example demonstrating the technique: 1 2 3 >>> my_string = "<html>" >>> my_string[1:-1] 'html' Slice Notation: How Does It Work? The powerful slice operator in Python allows you to capture a range according to the following pattern: ...

How To Check If Element In List Is Empty In Python

How do you know if an element in Python is empty? First, you need to define what is meant by the term empty. Does it mean None or an empty string "" or something else? For the examples in this article, I’ll assume that empty means an element is defined as None, however, if you’ve defined empty as something else then you can simply substitute my None references to your definition of an empty element. ...