Init (tm day3)

day2/day2.py

@@ -0,0 +1,45 @@
+import os
+import re
+
+def validate_password(line):
+    parts = re.split('([0-9]+)-([0-9]+) ([a-z]): ([a-z]+)', line)
+    lower = int(parts[1])
+    upper = int(parts[2])
+    char = parts[3]
+
+    password = parts[4]
+    password = re.sub('[^%s]'% char, '', parts[4])
+    length = len(password)
+    if(length >= lower and length <= upper):
+        return True
+
+def validate_password_2(line):
+    parts = re.split('([0-9]+)-([0-9]+) ([a-z]): ([a-z]+)', line)
+    lower = int(parts[1]) - 1
+    upper = int(parts[2]) - 1
+    char = parts[3]
+
+    password = parts[4]
+
+    if((password[lower] is char) is not (password[upper] is char)):
+        return True
+
+def part1():
+    count = 0
+    with open("day2/input.txt") as input:  
+        for line in input:  
+            if validate_password(line) == True:
+                count += 1
+    print("Day 1: %d"% count)
+        
+def part2():
+    count = 0
+    with open("day2/input.txt") as input:  
+        for line in input:  
+            if validate_password_2(line) == True:
+                count += 1
+    print("Day 2: %d"% count)
+
+if __name__ == "__main__":
+    part1();
+    part2();