13 lines
214 B
Text
13 lines
214 B
Text
|
-- defines a factorial function
|
||
|
|
function fact (n)
|
||
|
|
if n == 0 then
|
||
|
|
return 1
|
||
|
|
else
|
||
|
|
return n * fact(n-1)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
print("enter a number:")
|
||
|
|
a = io.read("*number") -- read a number
|
||
|
|
print(fact(a))
|