PART E: ROTATE LEFTGiven a string str, print out a rotated left 2 version where the first 2 chars are moved to the end. Assume thestring length will be at least 2.Methods to use: substring(), length(), concat()Testing cases: Hello => lloHe java => vaja Hi => Hi code => deco cat => tca 12345 => 34512 Chocolate => ocolateCh bricks => icksb

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Types of expressions

Humans use facial expressions as an effective way of non-verbal communication such as to convey messages, whereas computers use weighted expressions for operations.