_,v vs i, v lua code example

Example 1: lua in pairs

--Table is the table to iterate through
--Index is the current index
--Value is the value at the current index

for index, value in pairs(table) do

end

Example 2: for i in pairs lua

local table =  {2,3,12, "Hello"} --a simple array
for i, item in pairs(table) do -- for i in pairs loop goes through all the items in an array/table
	print(item)
end