Convert array of decimal numbers into hexadecimal numbers array.
x =[ 32 33 34 35 36 37 38 39 40 41 42 43 44 45]
res= ['20' ;'21' ;'22'; '23' ;'24' ;'25' ;'26' ;'27' ;'28'; '29' ;'2A'; '2B' ;'2C'; '2D'];
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