Note 02: Variables and Expressions¶
Variables give names to values. Expressions combine values with operators to produce new results.
Example¶
distance_miles = 12
speed_mph = 4
hours = distance_miles / speed_mph
print(hours)
Common Operators¶
| Operator | Meaning |
|---|---|
+ |
Addition |
- |
Subtraction |
* |
Multiplication |
/ |
Division |
// |
Integer-style floor division |
% |
Remainder |
** |
Exponentiation |
Design Tip¶
Break longer calculations into named steps when the intermediate ideas matter. A readable program is usually easier to debug than a compact one.