How to Comment Out a Block of Code in Python
To comment out a block of code or multiple lines in Python, prepend each line with a # (octothorpe) or…
How to Return 0 in Python
To return 0 in Python from a function, you can use the “return 0” statement at the end of a…
Returning None, Null, or NaN from a Python Function
Returning None None in Python is equivalent to ‘null’ in many other programming languages. It represents the absence of a…
How to Convert Image to Grayscale in Python
Here are the four ways to convert an image to grayscale in Python: Using cv2.cvtColor() Using image.convert() Using PIL.ImageOps.grayscale() Using…
How to Check If Variable is Not Null in Python
Here are the three ways to check if a variable is not null in Python: Using is not operator Using…
How to Convert PIL Image to Numpy Array
To convert a PIL Image to a Numpy array, you can use the numpy.array() method and get an image data…
How to Convert Image to Base64 and Vice Versa in Python
Convert Image to Base64 Here’s a step-by-step guide: Step 1: Import the Base64 Module Step 2: Open the image file…
Python open() Function
Python open() is “used to open the file (if possible) and returns the corresponding file object.” If a file is…
Python bytearray() Function
The bytearray() function in Python creates a bytearray object which is an array of bytes. It’s mutable (can be modified),…
How to Convert RGB Image to Grayscale in Python
Here are the ways to convert an image from RGB to Grayscale in Python: Using cv2.cvtColor() Using image.convert() Using Matplotlib…