#Activity_1
x <- -20
if (x > 0) {
  print("Positive")
} else {
  print("Non-Positive")
}

#Activity_2
for (i in 1:5) {
  print(i^2)
}
x<- 1

while(x <= 5){
  print(x)
  x <- x+1
}

#Activity_3
x <- 1
repeat {
  print(x)
  x <- x+1
  if(x>5) break
}

#Activity_4
X <- 1:10
x_squared <- x^2