It would be good if you indent your codes:
local var1=1
local var2=2
function name()
if (var1+var2) == 3 then
-----do somthing
else
-----do something else
end
end
function test()
local name = 123
local jake = "me"
end
function testt()
print(jake) ----- return nil
end
It is easier to read.