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…
Python List length: How to Find a Length of List
A list in Python is used to store the sequence of various types of data. A list is defined as a collection of values or elements of different types. The elements in the list are separated with a comma(,) and surrounded with the square…
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…
How to Create Directory If Not Exist in Python
Creating directories programmatically is easy, but you need to make sure that it does not exist. Otherwise, you will face some problems.Create Directory If Not Exist
To create a directory if not exist in Python, check if it already…
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…
Python List Multiply: How to Multiply Lists in Python
If you were working in Python, then there are lots of scenarios where one requires to find index-wise products of two different lists. Let's see how to multiply lists in Python step by step using different approaches.Python List…
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()…
Python set contains: How to Check If Set Contains an Element
Python set is a collection of unique, unindexed, and unordered elements. Sets are used to store multiple elements in a single variable.Python set contains
To check if the set contains an element in Python, use the in keyword, which…
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…
