IRR Blocks — Code Lab

Code Lab

Learn foundational programming concepts: sequences, loops, conditions, variables, and functions.

0 of 6 available lessons completed

Browser-local progress

Cloud accounts are not configured. All lesson progress is saved on this browser. Completion records observed simulator behavior for learning feedback — not a formal certificate or examination guarantee.

Code LabNot started

Hello Blocks

Show a greeting in the output panel.

Output

Start lesson ↗

Code LabNot started

Ordered Instructions

Print first, then second, in order.

Sequence

Recommended prerequisites:

Hello BlocksRecommended before this lesson

Start lesson ↗

Code LabNot started

Repeat a Pattern

Repeat a greeting three times.

Loops

Recommended prerequisites:

Ordered InstructionsRecommended before this lesson

Start lesson ↗

Code LabNot started

Make a Choice

Use an if-else condition to choose between two outputs.

Conditions

Recommended prerequisites:

Ordered InstructionsRecommended before this lesson

Start lesson ↗

Code LabNot started

Remember a Value

Store a number in a variable and print it.

Variables

Recommended prerequisites:

Ordered InstructionsRecommended before this lesson

Start lesson ↗

Code LabNot started

Reusable Instructions

Define a reusable function and call it with different inputs.

Functions

Recommended prerequisites:

Repeat a PatternRecommended before this lesson

Start lesson ↗