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ch1/Makefile

@@ -0,0 +1,15 @@
+.DEFAULT_GOAL := build
+
+fmt:
+	go fmt ./...
+
+vet: fmt
+	go vet ./...
+
+build: vet
+	go build
+
+clean:
+	go clean
+
+.PHONY:fmt vet build

ch1/go.mod

@@ -0,0 +1,3 @@
+module hello_world
+
+go 1.25.0

ch1/hello.go

@@ -0,0 +1,9 @@
+package main
+
+import "fmt"
+
+func main() {
+
+	fmt.Printf("Hello             ttt			sad , %s!\n", "world")
+
+}