CCBeginnerEditable example10 min

Variables And Types

Variables And Types in practical C programs, with editable notebook code and a focused exercise.

Lesson notes

This lesson turns variables and types into a small example you can edit, copy and run locally.

memorypointerssystems basics

Editable notebook cell

Starter code

#include <stdio.h>

int main(void) {
    printf("Hello C\n");
    return 0;
}

Output

Editable example

Run the code to see output here.

Try this

Change the sample data, predict the output and note what concept changed.

Hint: Make the smallest possible edit first.