1.How do you break out of an infinite loop in Ruby?

2.What is the purpose of the 'step' method in a Ruby loop when used with a range?

3.What is the output of the following code?

(1..4).step(2) do |i|
  puts i * 3
end

4.What is the output of the following code?

(1..3).each do |i|
  next if i == 2
  puts i
end

5.In Ruby, what is the purpose of the 'until' keyword?

6.In Ruby, how do you iterate over a range of numbers and stop the iteration when the first truthy value is encountered?

7.What does the 'step' method do in Ruby when applied to a range and a block?

8.What does the 'any?' method do in Ruby when applied to an array?

9.What is the purpose of the 'while' loop in Ruby?

10.How do you iterate over the elements of an array in reverse order using the 'reverse_each' method?

11.What does the 'redo' statement do in a Ruby loop?

12.In Ruby, what does the 'next' keyword do in a loop?

13.What is the purpose of the 'each_with_index' method in Ruby?

14.What is the output of the following code?

i = 0
loop do
  puts i
  i += 2
  break if i > 5
end

15.In Ruby, what is the purpose of the 'unless' keyword?

16.How can you iterate over the elements of an array and modify them in place using the 'map!' method?

17.What is the output of the following code?

(1..3).each do |i|
  puts i * 2
end

18.In Ruby, what does the 'each_key' method do when applied to a hash?

19.How can you iterate over the elements of an array and stop the iteration when the first truthy value is encountered?

20.What is the purpose of the 'loop' keyword in Ruby?