Add file for Day 2 Part 2

day2part2.py

@@ -0,0 +1,79 @@
+import re
+
+def split_into_list(file_path):
+    f = open(file_path, "r")
+    list_of_lists = []
+    for line in f:
+        stripped_line = line.strip()
+        stripped_line = str(stripped_line)
+        #line_list = stripped_line.split()
+        list_of_lists.append(stripped_line)
+
+    f.close()
+    return(list_of_lists)
+
+def get_numbers(list):
+    nums = []
+    for i in list:
+        x = re.search("^([\S]+)", i).group(0)
+        nums.append(x)
+    return nums
+
+def get_strings(list):
+    strings = []
+    for i in list:
+        y = re.sub(r".*?(\w+)\s*$", r"\1", i)
+        strings.append(y)
+    return strings
+
+def get_letters(list):
+    letters = []
+    for i in list:
+        z = re.match("([^:]+)", i).group(0)
+        z = z.split('.')[0].lstrip().split(' ')[1]
+        letters.append(z)
+    return letters
+
+def find_positions(nums):
+    pos1 = []
+    pos2 = []
+    for i in nums:
+        splitted_nums = []
+        splitted_nums = i.split('-')
+        posx = int(splitted_nums[0])
+        posy = int(splitted_nums[1])
+        pos1.append(posx)
+        pos2.append(posy)
+    return pos1, pos2
+
+def find_valids(strings, pos1, pos2, letters):
+    j = 0
+    valids = []
+    for i in strings:
+        string = strings[j]
+        low_pos = pos1[j] - 1
+        high_pos = pos2[j] - 1
+        #print(string)
+        #print([letters[j]])
+        #print(string[low_pos])
+        #print(string[high_pos])
+        if string[low_pos] != string[high_pos]:
+            if string[low_pos] == letters[j]:
+                valids.append("Valid")
+            elif string[high_pos] == letters[j]:
+                valids.append("Valid")
+            else:
+                valids.append("Invalid")
+        else:
+            valids.append("Invalid")
+        j = j+1
+    return valids
+
+list = split_into_list("day2input.txt")
+nums = get_numbers(list)
+letters = get_letters(list)
+strings  = get_strings(list)
+pos1, pos2 = find_positions(nums)
+valids = find_valids(strings, pos1, pos2, letters)
+print(valids)
+print(valids.count("Valid"))