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    Program 1: To print a string by calling a function.

                         Program1.py
                      File  Edit  Format   Run    Options   Window    Help

                      #Function definition
                      def hello (name):
                          print('Hello ' +name+ '! How do you do?')

                      #Calling function by passing parameter
                      hello('Orange')

                     You will get the following output:

                         Output

                      Hello Orange! How do you do?

                     Program 2: To add two numbers using user-defined function.

                         Program2.py
                      File  Edit  Format   Run    Options   Window    Help

                      #Program that demonstrate to create a user-defined function
                      def add (a, b):
                          c = a+b
                          print("The sum of both the numbers is", c)
                      add (12, 16)

                     You will get the following output:

                         Output

                      The sum of both the numbers is 28

                          PURE       1.4% of all  websites  on the Internet use  Python  as a server-side programming
                          FACT       language.

                               STRING

                     A sequence of characters that is enclosed or surrounded by single (‘ ’) or double (“ ”) quotes is

                     known as a string. The sequence may include a letter, number, special characters or a backslash.
                     Python treats single quotes as double quotes.

                                                                                       Functions, String and List in Python  85

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