Exercise 2 completed

ex2/logger.go

@@ -0,0 +1,21 @@
+package main
+
+type Log struct {
+  Msg string
+}
+
+type Logs []Log
+var LogList Logs
+
+func (ll *Logs) Log(msg string) {
+  *ll = append(*ll, Log{msg})
+}
+
+func (ll Logs) ToString() string {
+  res := ""
+  for _, log := range ll {
+    res += log.Msg + "\n"
+  }
+  return res
+}
+