started advent of code 2021

utils.py

@@ -0,0 +1,25 @@
+class File(object):
+    def __init__(self, filename):
+        self.filename = filename
+        self.lines = list()
+        self._get_lines()
+
+    def _get_lines(self):
+        with open(self.filename, 'r') as f:
+            for line in f:
+                self.lines.append(line)
+
+    def get_strings(self) -> list:
+        if not self.lines:
+            return []
+        return self.lines[:]
+
+    def get_ints(self) -> list:
+        if not self.lines:
+            return []
+        return [int(n) for n in self.lines]
+
+    def close(self):
+        self.lines = []
+        self.filename = ''
+