Done

index.js

@@ -0,0 +1,27 @@
+function takeANumber(line, name) {
+  line.push(name)
+  return `Welcome, ${name}. You are number ${line.length} in line.`
+}
+
+function nowServing(line) {
+  if (line.length < 1) {
+  return "There is nobody waiting to be served!"
+  }
+
+  return `Currently serving ${line.shift()}.`
+}
+
+function currentLine(line) {
+  if (line.length < 1) {
+  return "The line is currently empty."
+  }
+
+  const peopleInLine = []
+
+  for (let i = 0; i < line.length; i++) {
+    peopleInLine.push(`${i + 1}. ${line[i]}`)
+  }
+
+  return `The line is currently: ${peopleInLine.join(', ')}`
+
+}