Data Types

Data Types

1. Integer

   • int
   • Whole numbers only
   • 0, 6, 10293, -999
   • 2 or 4 bytes

2. Real / Float

   • real
   • Numbers that have a decimal part
   • 0.15, -5.3, 100.0
   • 4 or 8 bytes

3. Boolean

   • bool
   • Can only take one of two values, normally True or False
   • True/False, 1/0, yes/no
   • 1 bit needed, 1 byte normally used

4. Character

   • char / chr
   • A single letter, number, symbol
   • @, 4, h, L
   • 1 byte

5. String

   • string / str
   • Used to represent text, it is a collection of characters
   • H@ppY B!rthD4y, How are you?
   • 1 byte per character

6. Codes

7. Examples

8. Each data type is allocated a different amount of memory.

9. Casting

   • Changing the type of variable from one to another