TOPIC 02 OF 18

Expressions and Data Types Python lessons

Integers, floats, strings, booleans, arithmetic, comparisons, and operator precedence.

7 exercises7+ conceptsBeginner → interview context

WHAT YOU WILL LEARN

Core concepts

Show basic arithmeticRectangle measurementsConvert Celsius to FahrenheitCalculate a purchase totalConvert seconds to clock timeSwap two valuesAverage three scores

REUSABLE THINKING

Problem-solving patterns

operators · formatting
float · geometry
formula · float
type conversion · money
division · modulo

LESSON OUTCOME

What this topic builds

Learn the idea once, trace it through two verified cases, then explain why your approach works.

ORDERED LESSONS

All 7 lessons in this topic

Work from top to bottom to build each concept gradually.

#004
Show basic arithmetic
A lab assistant needs the four basic results for two readings.
StarterFree preview
#005
Rectangle measurements
Calculate material area and border length for a rectangular floor mat.
StarterFree preview
#006
Convert Celsius to Fahrenheit
Convert a pleasant daytime temperature for an international weather display.
StarterPremium
#007
Calculate a purchase total
Find the cost of several notebooks sold at one unit price.
StarterPremium
#008
Convert seconds to clock time
Display a video duration in hours, minutes, and seconds.
BeginnerPremium
#009
Swap two values
A seating tool accidentally receives two labels in reverse order and must swap them.
BeginnerPremium
#010
Average three scores
A student wants the mean of three quiz scores.
BeginnerPremium