Variables

There are values that can change

Example: temperature in the room every ten seconds

Fixed Variables:

x = 4
y = 6
print(x+y)
Output:
10

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Variable Naming Convention

We have 3 temperature probes

• Outside
• Inside
• In Water

Naming System 1:

• tempinside
• tempoutside
• tempwater

Naming System 2:

• temp_1
• temp_2
• temp_3

Naming System 3:

• temp_inside
• temp_outside
• temp_water

Naming System 4:

• temp_in
• temp_out
• temp_h2o

Rules of Variables:

1. Variables can’t start with a number
2. No spaces in variables (Use underscores (_) )

3. No using special characters

   E.g: @, !, #, etc.

4. It is possible but you should never use python commands as variable names

Numerical Variables

Name	Function	Description	Example
Integer	int	Positive Whole Numbers	10
Float	float	Decimal Numbers	8.37
String	str	A collection of characters	“John”
Boolean	bool	True/False	True