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    OPENING AN EXISTING PROGRAM

                      You can open an existing Python program to make changes or run it again. To open an existing
                      Python program, follow the given steps:

                          1    Click on the File menu.                                        4    Select the program file.

                        2    Click on the Open option.
                            The Open dialog box will
                                          appear.
                                                                         3    Navigate to the
                                                                         location where you
                                                                        have saved your file.  5    Click on the Open button.

                      The selected Python program is now open in the editor, ready for you to modify or execute.

                             INPUT AND OUTPUT

                      Python provides built-in functions to interact with users and handle input and output operations.

                      THE INPUT( ) FUNCTION

                      The input() function is used to take input from the user. It reads a line of text entered by the user,
                      which is then returned as a string.
                      Syntax of input() function:

                      input(<prompt>)
                      Here, the prompt is the string or message you want to display on the screen.
                      For example:

                      name = input("Enter your name: ")

                      >>> Enter your name: Ankit
                      The text ‘Ankit’ entered by the user will be stored in the variable name.

                      THE PRINT( ) FUNCTION
                      The print() function is used to display output on the screen in Python. It takes the specified text,
                      variable or value and prints it in the Python shell or terminal.

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