Convert an integer to a roman numeral
Convert an integer to its roman numeral representation.
Python Snippets
The Python snippet collection contains helper functions for Python 3.6. It includes utilities for most common data types, such as primitivies, lists, dictionaries and date objects.
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Python · -
Python · Sum of powers
Find the sum of the powers of all the numbers from
starttoend(both inclusive). -
Python · Map dictionary values
Create a dictionary with the same keys as the provided dictionary and values generated by running the provided function for each value.
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Python · Find the key of the min or max value in a Python dictionary
Find the key of the minimum or maximum value in a Python dictionary.
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Python · Convert a Python string to a slug
Convert a string to a URL-friendly slug, using Python and regular expressions.
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Python · Understanding Python's slice assignment
Learn everything you need to know about Python's slice assignment with this handy guide.
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Python · What is the difference between Python's equality operators?
Python provides two distinct comparison operators for different task. Stop mixing them up using this quick guide.
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Python · Avoid using bare except in Python
It's generally not a good idea to use bare
exceptclause in Python, but do you know why? -
Python · Offset the elements of a Python list
Move a specified amount of elements to the end of a list.
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Python · You should use dict.get(key) instead of dict[key]
Learn the difference between two common ways to access values in Python dictionaries and level up your code today.
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Python · Byte size of a Python string
Find the byte size of a Python string, containing special characters or not.
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Python · How can I check if a string is empty in Python?
Here are two quick and elegant ways to check if a string is empty in Python.
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Python · Set up Python 3 and pip 3 as default
A very common problem when working with Python is having to remember the correct version. Luckily, there's an easy fix for that.
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Python · How do I convert a string to lowercase in Python?
Learn of the two different ways to convert strings to lowercase in Python and understand when you should use each one with this quick guide.
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Python · First, last, initial, head, tail of a Python list
Learn how to perform some very common operations on Python lists, such as getting the first, last, initial, head, and tail elements.
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Python · How to correctly close files in Python
When working with files in Python, it's important to ensure that the file is closed correctly. Here are a couple of ways to do that.
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Python · 3 ways to swap two variables in Python
Learn 3 easy ways to swap the values of two variables in Python.
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Python · Calculate date difference
Calculates the day, month, or year difference between two dates.
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Python · Date is weekend or weekday
Checks if the given date is a weekend or a weekday.
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Python · Days ago, days from now, add and subtract dates
Calculate dates relative to today or a given date by adding or subtracting days.
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Python · How do I trim whitespace from a string in Python?
Oftentimes you might need to trim whitespace from a string in Python. Learn of three different way to do this in this short guide.
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Python · Binomial coefficient
Calculate the number of ways to choose
kitems fromnitems without repetition and without order. -
Python · What does if __name__ == "__main__" do in Python?
Understand what one of the most commonly used Python constructs does and when you should use it.