Computer Science

an expression that passes control and arguments (if any) to a subprogram

a subprogram that executes a block of code when called but does not return a value

Procedures in programs

Structured programs

Functions in programs

Global and local variables in programs

Programming project: subprograms I

Programming project: subprograms II

In this unit pupils will be introduced to structured programming. They will explore the differences between functions and procedures and use functions to return values in programs. They will be introduced to the concept of scope and how parameters can be used to reduce the need for global variables.

Programming: subprograms

used in a subprogram to allow values to be passed into it

a subprogram that does not return a value

a sequence of instructions to perform a specific task

{{}} are used in subprogram to allow values to be passed into them.

{{}} are the values held in the brackets of a subprogram call.

This code is an example of:

```def calculate(a, b):
    answer = a + b
    return answer

answer = calculate(5, 10)```

What keyword is used to define a subprogram in Python?

What is the term used for the name of a subprogram?

In this code:
```def num_walks(total_dogs, total_days):```
total_dogs and total_days are:

A {{}} chart is created to decide the hierarchy for a program.

A subprogram interface is made up of which items?

If a subprogram is defined, then it must be executed in the program.

Subprograms are always designed to perform multiple tasks.

Subprograms make programs easier to read and understand.

What code is missing from the program?

``` ___ multiply_two_numbers(number1, number2)
      answer = number1 * number2
      return answer

result = multiply_two_numbers(5,5)
print(result)```

Procedures in programs

Lesson outcome