Chapter 2

Naming and Using Variables

Contain

• Only letters
• Only numbers
• Only underscores
• Can start with an underscore or letters, not numbers

Can't Contain

• spaces
• keywords
• function names

Variables and Simple Data Types

Variables are labels for values variable_name = variable_value

Data Types

Strings

A series of characters

Anything inside "this" or 'this' is considered a string

"" allow for for quotes and apostrophes , while '' does not

Variable String Example

#variable
message = "Hello World"
print(message)