learned I didn't need git for external modules and different folders can have different mains

pkg/keyboard/keyboard.go

@@ -0,0 +1,38 @@
+// Package keyboard reads user input from the keyboard.
+package keyboard
+
+import (
+	"bufio"
+	"os"
+	"strconv"
+	"strings"
+)
+
+// GetString reads a string from the keyboard.
+// It returns the string read and any error encountered.
+func GetString() (string, error) {
+	reader := bufio.NewReader(os.Stdin)
+	input, err := reader.ReadString('\n')
+	if err != nil {
+		return "", err
+	}
+
+	return input, nil
+}
+
+// GetFloat reads a floating-point number from the keyboard.
+// It returns the number read and any error encountered.
+func GetFloat() (float64, error) {
+	input, err := GetString()
+	if err != nil {
+		return 0, err
+	}
+
+	input = strings.TrimSpace(input)
+	number, err := strconv.ParseFloat(input, 64)
+	if err != nil {
+		return 0, err
+	}
+
+	return number, nil
+}