Dictionary in Python A dictionary in Python is a built-in, mutable, collection data structure that stores data in key-value pairs. A dicti...

  Python Tuple Methods A tuple in Python is an ordered, immutable collection of items that can be of different data types. Tuples are define...

  List Methods in Python In Python, a list is a built-in data structure that can hold an ordered collection of items. A built-in- Data type ...

  Purchase Return When goods are purchased from a supplier to be sold but the goods purchased are given back to its supplier.   Many R...