### A Pluto.jl notebook ###
# v0.12.6

using Markdown
using InteractiveUtils

# ╔═╡ e85d0b96-1a4d-11eb-1646-dbb181770804
# multiple nested loops
res = let   # note: let is needed; begin would make res global 
	  # and for would not  be able to access it
	res = ""
	for i=1:3, j=2:3
		res *= "$i, $j\n"
	end
	res
end

# ╔═╡ Cell order:
# ╠═e85d0b96-1a4d-11eb-1646-dbb181770804