ruby find index of element in array
a = [ "a", "b", "c" ]
a.index("b") #=> 1
a.index("z") #=> nilruby find index of element in array
a = [ "a", "b", "c" ]
a.index("b") #=> 1
a.index("z") #=> nilCopyright © 2021 Codeinu
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