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print("a=", a)

                   print("b=", b)
                 On the output screen, a = 10 and b = 20 will be printed. You can also assign the same value

                 to multiple variables at the time in the following way:
                   a = b = 20

                   print("a=", a)
                   print("b=", b)

                 On the output screen, a = 20 and b = 20 will be printed.
                 You can also assign multiple values to multiple variables in the same line in the following way:

                   name, age, grade="Deepak", 12, 'VII'
                   print("Name is", name)

                   print("Age is", age)

                   print("Grade is", grade)
                 On the output screen, Name is Deepak, Age is 12 and Grade is VII will be printed.

                 You must follow the given rules while creating and naming the variables:

                    A variable name must start with a letter or underscore character.

                    A variable name cannot start with a number.

                     A variable name can only contain alphanumeric characters (all the letters of the alphabet and
                     numbers) and underscores (_).

                    Variable names are case-sensitive.

                     Variable names cannot contain any special character or symbol.



                    Recap



                          Python is a popular high-level programming language.
                         Interactive Mode is a command line shell which gives immediate result for each command.
                         IDLE stands for Integrated Development and Learning Environment.
                         The input() function takes the user’s input while a program executes.

                          The print() function prints or sends the output to the standard output device, which is usually
                         a monitor.
                          Variables  are  memory reference  points where  we  store  values which  can  be  accessed or
                         changed later.










                                                                                         Introduction to Python   13
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