for {
  x<- 1 to 9
y<- 1 to x
} {
  print(s"$y*$x=${x*y}\t")
  if(x==y) println()
}

for {
  x<- 1 to 9
y<- 1 to x
} {
  print(s"$y*$x=${x*y}${if(x==y) "\n" else "\t" }")
}

for(x<- 1 to 9;y<- 1 to x )print(s"$y*$x=${x*y}${if(x==y) "\n" else "\t"}")

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