create first counter

Lab04/code/.gitignore

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+### VisualStudioCode template
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+# Local History for Visual Studio Code
+.history/
+
+### Linux template
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+### Go template
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+### Windows template
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+### macOS template
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+.idea/
+part01/frequency

Lab04/code/part01/go.mod

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+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

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+# 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