Core Python Programming

3.2. Variable Assignment

This section focuses on variable assignment. We will discuss which identifiers make valid variables coming up in Section 3.3.

Equal sign ( = ) is the assignment operator

The equal sign ( = ) is the main Python assignment operator

anInt = -12
String  =  'cart'
aFloat = -3.1415 *  (5.0 ** 2)
anotherString = 'shop'  + 'ping'
aList = [ 3.14e10, '2nd  elmt of a list', 8.82-4.371j ]

Be aware now that assignment does not explicitly assign a value to a variable, although it may appear that way from your experience with other programming languages. In Python, objects are referenced, so on assignment, a reference (not a value) to an object is what is being assigned, whether the object was just created or was a pre-existing object. ...