Add solution for Challenge 2 by MYK12397 #31

Job	Run time
Validate Submission Security	5s
test-submissions (challenge-1)	11s
test-submissions (challenge-5)	13s
test-submissions (challenge-3)	20s
test-submissions (challenge-2)	25s
test-submissions (challenge-4)	13s
test-submissions (challenge-9)	12s
test-submissions (challenge-8)	12s
test-submissions (challenge-12)	11s
test-submissions (challenge-14)	18s
test-submissions (challenge-6)	12s
test-submissions (challenge-7)	17s
test-submissions (challenge-10)	15s
test-submissions (challenge-13)	13s
test-submissions (challenge-11)	13s
test-submissions (challenge-15)	11s
test-submissions (challenge-19)	14s
test-submissions (challenge-22)	14s
test-submissions (challenge-20)	15s
test-submissions (challenge-23)	14s
test-submissions (challenge-18)	22s
test-submissions (challenge-16)	12s
test-submissions (challenge-21)	13s
test-submissions (challenge-26)	11s
test-submissions (challenge-30)	11s
test-submissions (challenge-24)	14s
test-submissions (challenge-28)	13s
test-submissions (challenge-17)	12s
test-submissions (challenge-25)	14s
test-submissions (challenge-27)	11s
test-submissions (challenge-29)	10s
	7m 1s

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