In the early days of C, you’d occasionally see someone — probably a former Pascal programmer — write something like this: #define BEGIN { #define END } This would usually initiate complaints about ...

In the following example, we loop through a list of numbers, and use the variable digit to hold each number in turn: Strings in Python are considered “sequences” — they can be iterated over, and the ...

Last time, we learned how to apply Python's 'if statement' to change processing based on conditions. For example, it was code ...

Repetition is the heartbeat of programming and for loops are where students either master iteration or spend the rest of the course guessing. For loops appear in trace tables, pseudocode translation ...

Just a simple lesson that goes through a “for” loop in python. Shows the main syntax, how to define the number of iterations. Bulk of the activity is using turtle to draw various shapes, it’s an easy ...