Before going through this article, let us understand what the terms stdin, stdout and stderr are. Standard input – This is the file-handle that a user program reads to get information from the user. We give input to the standard…
Python’s encode and decode methods are used to encode and decode the input string, using a given encoding. Let us look at these two functions in detail in this article. Encode a given String We use the encode() method on…
Since Python does not support static type checking (i.e type checking at compile type), if you ever want to check if a Python variable or object is a String or not; we need to use certain methods. Let us understand…
A Complex Number is any number of the form a + bj, where a and b are real numbers, and j*j = -1. In Python, there are multiple ways to create such a Complex Number. Create a Complex Number in…
An Exception is raised whenever there is an error encountered, and it signifies that something went wrong with the program. By default, there are many exceptions that the language defines for us, such as TypeError when the wrong type is…
Python setattr() function is used to set the attribute of an object, given its name. While being a very simple function, it can prove to be very useful in the context of Object Oriented Programming in Python. Let us look…
Python’s Template String Class provides a way for simple string substitution, wherein the template fields are substituted with suitable replacement strings provided by the user. Sometimes, it may be a preference to have an easier to replace string, rather than…
The // operator in Python 3 is used to perform floor-based division. This means that a // b first divides a by b and gets the integer quotient, while discarding the remainder. This means that the result of a//b is…
Python’s filter() function is used to filter the elements of an iterable (sequence) with the help of a predicate that tests each element on the iterable. A predicate is a function that always returns True or False. We cannot use…
When writing command-line scripts in Python, we might have come across a situation wherein we would need to add more command-line options for our program. Doing the argument parsing by ourselves tend to be very tedious and time-consuming, and often…