Add comments to solutions so far

2022/Day-03/day03-1.py

@@ -1,9 +1,11 @@
 #!/usr/bin/python3
 
+# Import lists of the alphabet so we can find indxes later.
 from string import ascii_lowercase, ascii_uppercase
 
 commonItems = []
 
+# For each backpack, split the contents into two lists and find the common item.
 with open('input.txt', 'r') as inputFile:
     for backpack in inputFile:
         items = [*backpack.strip()]
@@ -19,12 +21,13 @@ with open('input.txt', 'r') as inputFile:
                 commonItems.append(item)
                 break
 
+# For all of the common items we found, total up the priorities.
 totalPriority = 0
-
 for item in commonItems:
     if(item in ascii_lowercase):
         totalPriority += (ascii_lowercase.index(item) + 1)
     elif(item in ascii_uppercase):
         totalPriority += (ascii_uppercase.index(item) + 27)
 
+# Print the answer.
 print(totalPriority)