To access all values in a dictionary in Python, call the values() method. For example: Or if you want to get a single value, use the square bracket [] access operator: In case you’re unsure whether the value exists, it makes more sense to use the dict.get() method to access the values. This prevents the …
To end a Python program, press one of the following key combos depending on your system: CTRL + C on Windows. Control + C on Mac. How to End the Interactive Python Command-Line Session To leave the interactive Python command-line session, press: CTRL + Z on Windows. Control + Z on Mac. Or run the …
Here is a list of 10+ Python tricks and tips you can use to write cleaner code. I hope you enjoy it. One-Liner If-Else in Python Sometimes when an if-else expression is simple enough, it might actually be cleaner to write it as a one-liner: But be careful not to overdo this. It can make …
A loop is a programming structure that repeats a set of instructions until a condition is met. You can use loops to for example iterate over a list of values, accumulate sums, repeat actions, and so on. In Python, you can use for and while loops to achieve the looping behavior. For example, here is …
Python For & While Loops with 15+ Useful Examples Read More »
In Python, everything is an object. But each object represents some particular data type, such as an integer, string, or float. To check the type of an object in Python, use the built-in type() function. Here are some examples of checking data types of different Python objects: This quick yet comprehensive guide teaches you the …
To add elements to a list in Python, use the append() method: For example: Output: To add multiple elements to a list, use the built-in extend() method: For example: Output: This is a comprehensive guide to adding to lists in Python. Besides the quick answer above, you’ll learn different methods of how to add values …
4 Ways to Add Elements to a List in Python (Theory & Examples) Read More »
To copy a file in Python, use the shutil module’s copyfile() function. This piece of code copies the contents of the file src to a destination file dst. Both src and dst are strings that represent the names of the files (or rather, paths to the files). If a file dst does not exist, a …
In Python, you can read a JSON file by using the json.load() function. Here is a quick example in case you’re in a hurry: I’m sure this quick example might already be a great enough answer for you. But in case you’re not too familiar with JSON or Python yet, I highly recommend reading along. …
You can create scatter plots in Python by using the matplotlib as follows: Where x and y are lists of numbers or the data points for the plot. For example, let’s create a scatter plot where x and y are lists of random numbers between 1 and 100: Given randomized x and y data, the …
Mapping in Python means applying an operation for each element of an iterable, such as a list. For example, let’s square a list of numbers using the map() function: Output: Mapping in Python Mapping means transforming a group of values into another group of values. In Python, you can use the built-in map() function for …
