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-rw-r--r--go/etl/etl.go13
1 files changed, 13 insertions, 0 deletions
diff --git a/go/etl/etl.go b/go/etl/etl.go
new file mode 100644
index 0000000..9cdac29
--- /dev/null
+++ b/go/etl/etl.go
@@ -0,0 +1,13 @@
+package etl
+
+import "strings"
+
+func Transform(in map[int][]string) map[string]int {
+ out := make(map[string]int)
+ for k, v := range in {
+ for _, a := range v {
+ out[strings.ToLower(a)] = k
+ }
+ }
+ return out
+}