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    Complex
                     A complex is a number that is written in the form a+ bj or a+bJ. It is represented as follows:
                     (real part) + (imaginary part) j.

                     SETS

                     Set is a mutable, unordered collection of values, of any type, with no duplicate element.

                     SEQUENCE

                     A sequence is an ordered collection of items of similar or different data types. The three types of
                     sequence data types are Strings, Lists and Tuples.

                     Strings

                     A string is a sequence of one or more characters put in single quotes, double quotes or triple
                     quotes which is used to represent text-based information. The quotes are not a part of the string.
                     For example, "hello","Orange Education", 'Amit', '365'.

                     List

                     A  list is a collection of data elements separated by comma (,) and enclosed within square
                     brackets []. We can also create a list with the elements that are the same or have different data
                     types. For example, [1,2,5], ['HELLO',45,87.6].

                     Tuple
                     A tuple is just like a list. It contains a group of elements that can be of different data types. The
                     elements in the tuple are separated by commas (,) and enclosed in parentheses (). The difference
                     between a list and a tuple is that list can be modified but tuples cannot be modified after it is
                     created. For example, (7, 9.5, 3), ('a',4,3).

                     BOOLEAN

                     Boolean is a data type with two built-in values: True or False. They are used in logical evaluation.
                     A True statement returns value 1 while a False statement returns value 0.

                               FIND DATA TYPE

                     Python allows us to find out the type of data used in a program by using type() function.

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