Creating a Function In Python, a function is defined using the def keyword, followed by a function name and parentheses:

If a part of your program does a specific task, you should create a function for it. It is especially useful to create a function if you need to run that code more than once, and from different parts of your program.

Python Classes/Objects Python is an object oriented programming language. Almost everything in Python is an object, with its properties and methods. A Class is like an object constructor, or a …

Stacks can be used to implement undo mechanisms, to revert to previous states, to create algorithms for depth-first search in graphs, or for backtracking. Stacks are often mentioned together with Queues, …

Create Tuple With One Item To create a tuple with only one item, you have to add a comma after the item, otherwise Python will not recognize it as a tuple.

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To insert a node in a linked list we first need to create the node, and then at the position where we insert it, we need to adjust the pointers so that the previous node points to the new node, and the new …

Create a NumPy ndarray Object NumPy is used to work with arrays. The array object in NumPy is called ndarray. We can create a NumPy ndarray object by using the array() function.

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A hash function takes the key of an element to generate a hash code. The hash code says what bucket the element belongs to, so now we can go directly to that Hash Table element: to modify it, or to …