Add code for 2015 advent that I did historically.

day_1/part_1.py

@@ -0,0 +1,13 @@
+data = input("Input Instruction set: \n")
+
+
+# floor_delta = 0
+
+# for char in data:
+# 	if char == "(": floor_delta += 1
+# 	elif char == ")": floor_delta -= 1
+
+
+# This is equivalent to commented out code above
+# DONE FOR FUN, Wouldn't use in production...
+print(sum([ 1 if char == "(" else -1 for char in data]))