How do you add an empty row in HTML? To add an empty row in HTML for your table use the code <tr><td colspan=”X”> </td></tr> otherwise if you want to add an empty row without using a table use the <hr> tag. Here are some examples demonstrating how adding an empty row looks in your HTML …
How do you create a file name with an incrementing number in Python? To create an incrementing file name in Python, run a while loop that checks the existence of a file, and if it exists, use Regex to modify the file name by replacing the integer at the end of the file with the …
How do you sort a list of tuples by the first element in each tuple in Python? To sort a list of tuples in Python use the .sort() list method if you want to modify the list to sort or the sorted() function if you want to generate a new list. Use the parameter key …
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 in your everyday coding. Wait, what’s an assignment expression? You may have heard of the term assignment operator and seen its use in the wild …
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 using the built-in function dict() and is known as the dict constructor, whereas the other method is known as dict literal and has the syntax …
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 one line of code to evaluate a condition. The value entered before the if clause is the True value returned, whereas the value after the …
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 from the result of a function or operation and then have that assigned variable reused elsewhere in the code. One recent example in my code …
How do you list all the duplicates from an original list using Python? To get a unique list of all the duplicate elements in a list using Python use the list comprehension: [x for idx, x in enumerate(original_list) if x in original_list[idx+1:] and x not in original_list[:idx]]. To get a list of all the duplicate …
How do you remove duplicates from a list using Python? To remove duplicate elements from a list in Python use a list comprehension to create a new list with no duplicates with this code: [x for idx, x in enumerate(original_list) if x not in original_list[idx+1:]] Here is an example demonstrating how this code works: As …
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 …
