RUBY

ruby for loop

for i in 0..2 do 
  print(i)
end

# => 0
# => 1
# => 2

for loop ruby

# rubocop recommended approach
(0..5).each do |i|
  puts "Inside loop i = #{i}"
  # put your code for loop here
end

ruby for loop

for element in array do
  element.do_stuff
end

ruby for

for counter in 1..5
  puts "iteration #{counter}"
end
#=> iteration 1
#=> iteration 2
#=> iteration 3
#=> iteration 4
#=> iteration 5