STATEMENT FLOW CONTROL

STATEMENT FLOW CONTROL

In a program , statements may be executed sequentially , selectively or iteratively . Every programming language provides construct to support sequence , selection or iteration .

Sequence

The sequence construct means the statement are being executed in sequence .
Every python program starts with the first statement of program . Each statement in turn is executed in sequence .                                                        when the final statement of the program is executed , the program is done .
Sequence refers to the normal flow of control in a program and it is the simplest one .

Selection

The selection construct means the execution of statements depending upon a condition – test . if a condition evaluates to true , a course of action ( a set of statements ) is followed otherwise another set of action ( a different set of statement ) is followed . this selection construct is also called  as decision construct because it helps in making decisions about the which the set of statements is to be executed .

Iteration ( looping )

The iteration construct means repetition of a set of statements depending upon a condition test , a set of statements are repeated again and again . as soon as the condition becomes true ( or false ) , the repetition stops .
The iteration construct is also called as looping construct .

Body of the loop

The set of statements that are repeated again and again is called as the body of the loop .

Exit Condition

The condition on which the execution or exit of the loop is depends Is called as the exit condition .



IMPORTANT QUESTIONS WITHOUT ANSWER

Q 1 – WHAT IS STATEMENT ?

Q 2 – HOW MANY TYPES OF STATEMENT ARE THERE IN PYTHON ?

Q 3 – WHAT IS COMPOUND STATEMENT

Q 4 – EXPLAIN THE THREE CONSTRUCTS OF PYTHON IN BRIEF 

Q 5 – DEFINE THE THREE CONSTRUCTS OF PYTHON.

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