add puzzle_text for part 2

2022/day_3/part 2 solution.py

@@ -1,6 +1,22 @@
-import os
-
 with open(r'advent_of_code\2022\day_3\input.txt', 'r') as file:
     input = file.read()
 
-print(input)
+test_input = '''vJrwpWtwJgWrhcsFMMfFFhFp
+jqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL
+PmmdzqPrVvPwwTWBwg
+wMqvLMZHhHMvwLHjbvcjnnSBnvTQFn
+ttgJtRGJQctTZtZT
+CrZsJsPPZsGzwwsLwLmpwMDw'''
+
+def task_1(file):
+    # Iterate over rucksacks, separate each in half and find out the priority of the common item between both halves
+    # using ASCII
+    priority = 0
+    for line in file.split('\n'):
+        middle_index = int(len(line) / 2)
+        common_items_set = set(line[:middle_index]).intersection(line[middle_index:])
+        common_item = common_items_set.pop()
+        ascii_start = 96 if common_item.islower() else 38
+        priority += ord(common_item) - ascii_start
+    print("Task 1 result: " + str(priority))
+task_1(input)