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## 5. Control Statements: Part 1

### Objectives

In this chapter you’ll learn:

• To use the `if` and `if`...`else` selection statements to choose between alternative actions.

• To use the `while` repetition statement to execute statements in an application repeatedly.

• To use counter-controlled repetition and sentinel-controlled repetition.

• To use the increment, decrement and compound assignment operators.

Let’s all move one place on.

Lewis Carroll

The wheel is come full circle.

William Shakespeare

How many apples fell on Newton’s head before he took the hint!

Robert Frost

All the evolution we know of proceeds from the vague to the definite.

Charles Sanders Peirce

### Outline

5.1 Introduction

5.2 Control Structures

5.3 `if` Single-Selection Statement ...

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