adding validation for peek and returning last element from array with…#11
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gautam-paladiya wants to merge 1 commit intosudheerj:masterfrom
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adding validation for peek and returning last element from array with…#11gautam-paladiya wants to merge 1 commit intosudheerj:masterfrom
gautam-paladiya wants to merge 1 commit intosudheerj:masterfrom