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How to Solve math domain error in Python

In Python, if you pass the invalid argument to a mathematical function, then it can't perform the operation and raises the ValueError. In this tutorial, we will see what math domain error is, why we get and how to resolve it.Python math…

How to Flatten List in Python

The list is one of the most flexible data structures in Python. Transforming a list of lists into a list is called "flattening a list". A Python list can contain multiple dimensions. This means that you have a list within lists. These lists…

Python Not In Operator: The Complete Guide

To check if some element is not in the sequence, a list, string, tuple, or set, use the not in operator. The not in operator is the exact opposite of in operator. The in operator in Python checks whether a specified value is a constituent…

How to Initialize Array in Python

Python does not have a built-in array data type. To use an array, you need to import a numpy library, and then you can use the np.array() method to create an array. The array is a data structure that holds similar data values at contiguous…

How to Add List to List in Python

Appending an element to the list is a common operation, but when it comes to adding a list to a list, there are two variations to that. The first is whether you want to add all the elements of a list to another list. The second is whether…

How to Read File into List in Python

In Python, the contents of the file are a sequence of characters. The characters are represented as a list of values by splitting on a delimiter.Python read file into list To read a file into a list in Python, use the file.read()…

How to Prepend to List in Python

To add elements to the list, use the list methods like append(), extend(), and insert() to add elements to a list or combine other lists. Let's see how to add elements at the beginning of the list.Prepend to List in Python To prepend…