Using for statement, run loop process.
Fetch the values in order from the specified object after "in", and store it in the variable specified before "in".
"do" can be omitted.

for count in 1..5 do
  print("loop count = ", count, "\n");
end

for count in 6..10
  print("loop count = ", count, "\n");
end

      

$ ruby for_loop.rb
loop count = 1
loop count = 2
loop count = 3
loop count = 4
loop count = 5
loop count = 6
loop count = 7
loop count = 8
loop count = 9
loop count = 10