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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…

How to Calculate a Percentage in Python

There is no percentage operator in Python to calculate the percentage, but it is irrelevant to implement on your own. Percentage in Python To calculate a percentage in Python, use the division operator (/) to get the quotient from two…

How to Convert Python Int to Char

In Python, a char can either be defined as an ASCII value or, if the char carries digits only, as the number it represents. In ASCII, a particular numerical value is given to different characters and symbols for computers to store and…

How to Use While Not in Python

Iteration means executing the same block of code over and over, potentially many times. Python’s while statement is used to construct loops.  A while loop in Python is used to iterate over the block of code as long as the test condition)…

How to Split List in Python

A list can be split based on the size of the chunk defined. Splitting a list into n parts returns a list of n lists containing an equal number of list elements. If the number of lists, n, does not evenly divide into the length of the list…

How to Sort String in Python

Python offers a sort() function to perform the sorting. In Python, the string is immutable means once it is created, it can't be changed. This is where things get a little complicated. The sort() function doesn’t work as it inplace tries to…