Python is dynamically typed, no pre-declaration of a variable or its type is necessary. : variable « Introduction « Python Tutorial






# The type and value are initialized on assignment. 
# Assignments are performed using the equal sign.

counter = 0
miles = 1000.0
name = 'Bob'
counter = counter + 1
kilometers = 1.609 * miles
print '%f miles is the same as %f km' % (miles, kilometers)








1.5.variable
1.5.1.A variable is basically a name that represents some value
1.5.2.Sequence Unpacking
1.5.3.A literal is a number or string that appears directly in a program.
1.5.4.Python is dynamically typed, no pre-declaration of a variable or its type is necessary.
1.5.5.Once a variable has been assigned, you can access it by using its name
1.5.6.None placeholder