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-rw-r--r--lessons/src/lesson026_list_recursion/code.gleam13
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diff --git a/lessons/src/lesson026_list_recursion/code.gleam b/lessons/src/lesson026_list_recursion/code.gleam
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+++ b/lessons/src/lesson026_list_recursion/code.gleam
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+import gleam/io
+
+pub fn main() {
+ let sum = sum_list([18, 56, 35, 85, 91], 0)
+ io.debug(sum)
+}
+
+fn sum_list(list: List(Int), total: Int) -> Int {
+ case list {
+ [first, ..rest] -> sum_list(rest, total + first)
+ [] -> total
+ }
+}