From 8bb581d2aac4c7027fddc6ced1087c35f6e5be15 Mon Sep 17 00:00:00 2001
From: jfahmy <jacqueline.fahmy0.o@gmail.com>
Date: Fri, 17 Aug 2018 14:36:07 -0700
Subject: [PATCH 1/2] binary to decimal method created, tests passed

---
 lib/binary_to_decimal.rb | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb
index 439e8c6..454abd0 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -5,5 +5,13 @@
 # Calculate  and return the decimal value for this binary number using
 # the algorithm you devised in class.
 def binary_to_decimal(binary_array)
-  raise NotImplementedError
+  decimal_value = 0
+
+  idx = 7
+  binary_array.length.times do |i|
+    decimal_value +=  (binary_array[i] * (2 ** idx))
+    idx -= 1
+  end
+
+  decimal_value
 end

From ca74b9d11c600deabbdbf716741c6be8a6c981ea Mon Sep 17 00:00:00 2001
From: jfahmy <jacqueline.fahmy0.o@gmail.com>
Date: Mon, 20 Aug 2018 21:09:29 -0700
Subject: [PATCH 2/2] more solutions for printing binary

---
 lib/binary_to_decimal.rb |  2 +-
 lib/printbinary.rb       | 40 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 lib/printbinary.rb

diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb
index 454abd0..aaf2bfd 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -7,7 +7,7 @@
 def binary_to_decimal(binary_array)
   decimal_value = 0
 
-  idx = 7
+  idx = binary_array.length - 1
   binary_array.length.times do |i|
     decimal_value +=  (binary_array[i] * (2 ** idx))
     idx -= 1
diff --git a/lib/printbinary.rb b/lib/printbinary.rb
new file mode 100644
index 0000000..c88e8be
--- /dev/null
+++ b/lib/printbinary.rb
@@ -0,0 +1,40 @@
+#uses rand method, which might be cheating?
+def print_binary
+  all_values = []
+
+  until all_values.length == 16
+    four_bits = []
+    4.times do
+      four_bits << rand(0..1).to_s
+    end
+    if !all_values.include? four_bits
+      all_values << four_bits
+    end
+  end
+
+  all_values.map! {|sequence| sequence.join }
+
+  puts "#{all_values}"
+end
+
+def print_binary2
+  bits = []
+  binary = ""
+
+  16.times do |num|
+    binary = ""
+    until binary.length == 4
+      if num % 2 == 0
+        binary = "0" + binary
+      else
+        binary = "1" + binary
+      end
+        num = num >> 1
+    end
+    bits << binary
+  end
+
+puts bits
+end
+
+print_binary2