2 files changed, 278 insertions, 0 deletions
diff --git a/2018/02.py b/2018/02.py
new file mode 100644
index 0000000..6a80540
--- /dev/null
+++ b/2018/02.py
@@ -0,0 +1,28 @@
+# Day Two: Inventory Management System
+
+file = open("input/02.txt").readlines()
+
+twice: int = 0
+thrice: int = 0
+for line in file:
+	for char in "abcdefghijklmnopqrstuvwxyz":
+		if line.count(char) == 2:
+			twice += 1
+			break
+	for char in "abcdefghijklmnopqrstuvwxyz":
+		if line.count(char) == 3:
+			thrice += 1
+			break
+print(twice * thrice)
+
+for one in file:
+	for two in file:
+		differing = 0
+		for i in range(len(one)):
+			if one[i] != two[i]:
+				differing += 1
+		if differing == 1:
+			for i in range(len(one)):
+				if one[i] == two[i]:
+					print(one[i], end="")
+			quit()
diff --git a/2018/input/02.txt b/2018/input/02.txt
new file mode 100644
index 0000000..5afe3c6
--- /dev/null
+++ b/2018/input/02.txt
@@ -0,0 +1,250 @@
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