Introduction
										Importance of Data structures
									Applications of Data structures
									Types of Collections
									Sequence
									What is string
									Strings, List, Tuple, range
									Non sequence
									Processing elements using Iterators
									Set, Frozen set, Dictionary
									Strings
									Representation of Strings
									Manipulation of String using Indexing and Slicing
									String operators
									Methods of String object
									String Formatting
									Processing elements using indexing
									String functions
									String Immutability