15.1

03/03.py

@@ -3,18 +3,20 @@ import re
 
 data = open("input.txt").read().strip()
 
+
 def mul(a, b):
-    return a*b
+    return a * b
 
-print(sum(eval(x) for x in re.findall("mul\(\d{1,3},\d{1,3}\)", data)))
 
-q = "mul\(\d{1,3},\d{1,3}\)|do\(\)|don't\(\)"
+print(sum(eval(x) for x in re.findall(r"mul\(\d{1,3},\d{1,3}\)", data)))
+
+q = r"mul\(\d{1,3},\d{1,3}\)|do\(\)|don't\(\)"
 f = True
 s = 0
 for x in re.findall(q, data):
-    if x=='do()':
+    if x == "do()":
         f = True
-    elif x=='don\'t()':
+    elif x == "don't()":
         f = False
     elif f:
         s += eval(x)