From e1bfe738a33c84cf3470a1e15e38a79a60a12e2b Mon Sep 17 00:00:00 2001
From: github username <github email address>
Date: Wed, 10 Mar 2021 16:59:16 -0500
Subject: [PATCH] Done.

---
 first.ru  |  9 +++++++++
 second.ru | 14 ++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 first.ru
 create mode 100644 second.ru

diff --git a/first.ru b/first.ru
new file mode 100644
index 00000000..27a87ff1
--- /dev/null
+++ b/first.ru
@@ -0,0 +1,9 @@
+require 'rack'
+ 
+# Instances of Proc automatically have a call method that runs the block that
+# they're initialized with.
+my_server = Proc.new do
+  [200, { 'Content-Type' => 'text/html' }, ['<em>Hello</em>']]
+end
+ 
+run my_server
\ No newline at end of file
diff --git a/second.ru b/second.ru
new file mode 100644
index 00000000..6330554a
--- /dev/null
+++ b/second.ru
@@ -0,0 +1,14 @@
+require 'rack'
+ 
+# Something that responds to call, that's what Rack demands
+class MyServer
+  def call(env)
+    return [ 200, {'Content-Type' => 'text/html'}, pretty_response ]
+  end
+ 
+  def pretty_response
+    (Time.now.to_i % 2).zero? ?  ["<em>Hello</em>"] : ["<strong>Hello</strong>"]
+  end
+end
+ 
+run MyServer.new
\ No newline at end of file