scala> //PS:125
scala> //psn > a40 > a70
scala> val sub = Seq("physics", "math", "english")
sub: Seq[String] = List(physics, math, english)
scala> val mark = Seq(80, 90, 75)
mark: Seq[Int] = List(80, 90, 75)
scala> val subNmark = sub zip mark
subNmark: Seq[(String, Int)] = List((physics,80), (math,90), (english,75))
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