What is nested loop?

What is Nested Loop? Define Nested Loop. Nested Loop Definition.

• A nested loop is a loop which is itself inside another loop. There is an inner loop withing the body of an outer loop.
• For example:
• CLS
  FOR i = 1 TO 5
      FOR j = 1 TO 3
          PRINT j;
      NEXT j
      PRINT
  NEXT i
  END

•  Rule for nested loop.
•  An outer loop and inner loop cannot have the same control variable.
• The inner loop must terminate before the outer loop.
• The inner loop must be completely nested inside the body of the outer loop.
• Outer loop is opened at first and closed at last.

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