create first counter

Lab04/code/part01/go.mod

@@ -0,0 +1,3 @@
+module frequency
+
+go 1.18

Lab04/code/part01/main.go

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+package main
+
+import (
+    "fmt"
+	"strings"
+)
+
+func wordCount(str string) map[string]int {
+    wordList := strings.Fields(str)
+    counts := make(map[string]int)
+    for _, word := range wordList {
+        _, ok := counts[word]
+        if ok {
+            counts[word] += 1
+        } else {
+            counts[word] = 1
+        }
+    }
+    return counts
+}
+
+func main() {
+	strLine := "Australia Canada Germany Australia Japan Canada"	
+	for index,element := range wordCount(strLine){
+		fmt.Println(index,"=>",element)
+    }
+}

Lab04/code/part01/makefile

@@ -0,0 +1,17 @@
+# Go parameters
+GoCMD=go
+GoBUILD=$(GoCMD) build
+GoCLEAN=$(GoCMD) clean
+GoTEST=$(GoCMD) test
+GoMOD=$(GoCMD) mod
+BINARY_NAME=frequency
+
+# To install GoLang please follow the installation instructions on https://go.dev/
+all: build
+build:
+	$(GoBUILD) -o $(BINARY_NAME) -v
+clean:
+	$(GOCLEAN)
+	rm -f $(BINARY_NAME)
+deps:
+	$(GoMOD) tidy