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DIFFERENT TYPES OF LOOPS
Loop runs a statement or group of statements multiple times till the given condition is true.
There are different types loops. Although they perform the same task, but their working is
different. Let us take a look at the types of loop.
Different types of loops are:
1. While Loop
2. For Loop
While Loop/Conditional loop
While Loop executes a statement or group of statements till a given condition is true. Once
the condition is false, the loop is terminated.
Subject Enrichment
Example 1: To print number from 1 to 10.
Condition: Till the time a is less than 10, the body of the while loop will run.
Decision: Have we reached number 10, if yes stop the loop.
Pseudocode:
Program Start
set a to 0
while a is less than 10
increase the value of a by 1
display a
Program End
Subject Enrichment
Example 2: To print a statement five times by using a while loop.
Condition: Till the time the test expression remains true, the body of the while loop will run.
Decision: Have we printed the statement five times or not?
Pseudocode:
Program Start
set a to 0
while a is less that 5
increase the value of a by 1
display Hello World
Program End
Loops Using Block Coding 73

