rename stuff

2020/code/AoC02.py

@@ -0,0 +1,49 @@
+
+import re
+
+
+# decode line into bounds and letter and password
+def decode_line(l):
+    groups = re.compile(r"(?P<lower>\d+)-(?P<higher>\d+) (?P<letter>\w): (?P<pwd>\w+)").search(l)
+    return groups
+
+
+# check if valid with certain number of chars
+def check_if_valid(lower, higher, letter, pwd):
+    if int(lower) <= pwd.count(letter) <= int(higher):
+        return True
+    else:
+        return False
+
+
+# check if valid with chars on places
+def check_if_valid2(lower, higher, letter, pwd):
+    # both = line.split(": ")
+    # cond = both[0].split(" ")
+    # times = cond[0].split("-")
+    # lower = int(times[0])
+    # higher = int(times[1])
+    # letter = cond[1]
+    # pwd = (both[1])[:-1]
+    if (pwd[int(lower) - 1] == letter) != (pwd[int(higher) - 1] == letter):
+        return True
+    else:
+        return False
+
+
+with open(r"C:\Users\Maya\Desktop\Uni\WS_2021\AoC\input02") as f:
+    lines = f.readlines()
+
+    # count for challenge 1
+    i = 0
+    for line in lines:
+        if check_if_valid(*decode_line(line).groups()):
+            i += 1
+    print(i)
+
+    # count for challenge 2
+    i = 0
+    for line in lines:
+        if check_if_valid2(*decode_line(line).groups()):
+            i += 1
+    print(i)