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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

