Variables are containers for storing data values.
Unlike other programming languages, Python has no command for declaring a variable.
A variable is created the moment you first assign a value to it.
Variables do not need to be declared with any particular type and can even change type after they have been set.
Examplex = 4 # x is of type int
x = "Sally" # x is now of type str
print(x)
String variables can be declared either by using single or double quotes:
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