update Module_2_1 and add test.txt

Module_2_1.rb

+puts "----------------- level 1 is start -------------------------"
+
 m = "Jimmy".reverse
 puts m
 
@@ -15,3 +17,81 @@ puts tru
 
 len = "Jimmy".length
 puts len 
+
+puts "Jimmy" * 5
+
+puts "----------------- level 1 is done -------------------------"
+print "\n"
+
+puts "----------------- level 2 is start -------------------------"
+
+/ puts 40.reverse => error/
+
+/ to_s: convert to string
+  to_i: convert to integer
+  to_a: convert to array / 
+puts 40.to_s.reverse
+
+/ array/
+puts [12,47,35].max
+
+ticket = [12,47,35].sort
+puts ticket
+
+print poem =
+			"My toast has flown from my hand
+			And my toast has gone to the moon.
+			But when I saw it on television,
+			planting out flag on Halley's comet,
+			More still did I want to eat it.\n"
+
+puts poem['toast'] = 'honeydew'
+print poem
+
+puts poem.reverse
+
+puts poem.lines.to_a.reverse
+print poem.lines.to_a.reverse.join
+
+puts poem.include? "my hand"
+
+puts poem.downcase
+
+puts "----------------- level 2 is done -------------------------"
+print "\n"
+
+puts "----------------- level 3 is start -------------------------"
+
+puts ratings = Hash.new(5.times {print "ODELAY!"})
+puts 5.times {print "Odelay!"}
+
+puts Dir.entries "/"
+puts File.read("/home/nhib/Desktop/my-git-repo/Ruby-Training/test.txt")
+puts File.mtime("/home/nhib/Desktop/my-git-repo/Ruby-Training/test.txt")
+
+puts "----------------- level 3 is done -------------------------"
+print "\n"
+
+puts "----------------- level 6 is start -------------------------"
+
+def load_comics (path)
+  File.foreach(path) do |line|
+    name, url = line.split(':')
+  end
+end
+
+path = "/home/nhib/Desktop/my-git-repo/Ruby-Training/test.txt"
+comics = load_comics(path)
+
+
+Popup.make do
+	h1 "Things to do"
+	list do
+		p "Try out ruby"
+		p "Ride a tiger"
+		P "(down River Euphrates)"
+	end
+end
+
+puts "----------------- level 6 is done -------------------------"
+print "\n"

test.txt

+vien
+
+{"Achewood" => "http://achewood.com/", 
+ "Disosaur comics" => "http://qwantz.com/"}
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