1 files changed, 55 insertions, 0 deletions

diff --git a/day4/__init__.py b/day4/__init__.py
new file mode 100644
index 0000000..f179985
--- /dev/null
+++ b/day4/__init__.py
@@ -0,0 +1,55 @@
+from dataclasses import dataclass
+from typing import Generator, List
+
+from aoc import BaseAssignment
+
+@dataclass
+class Passport:
+    byr: int = None
+    iyr: int = None
+    eyr: int = None
+    hgt: str = None
+    hcl: str = None
+    ecl: str = None
+    pid: str = None
+    cid: str = None
+
+
+class Assignment(BaseAssignment):
+    def create_passport(self, items: List[List]) -> Passport:
+        return Passport(**dict(items))
+
+    def read_input(self, example = False) -> Generator:
+        passport = []
+
+        for item in super().read_input(example):
+            if item == '':
+                yield self.create_passport(passport)
+                passport = []
+                continue
+
+            for field in item.split(' '):
+                passport.append(field.split(':'))
+
+        yield self.create_passport(passport)
+
+    def valid_passport(self, passport: Passport):
+        raise NotImplementedError('Please implement valid_passport')
+
+    def run(self, input: Generator):
+        valid_passports = 0
+        for passport in input:
+            if self.valid_passport(passport):
+                valid_passports += 1
+        return valid_passports
+
+class AssignmentOne(Assignment):
+    def valid_passport(self, passport: Passport) -> bool:
+        return all([
+            val
+            for key, val in vars(passport).items()
+            if key != 'cid'
+        ])
+
+class AssignmentTwo(Assignment):
+    pass
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