add day 1

lib/tools.py

@@ -0,0 +1,12 @@
+
+class Reader(object):
+    def __init__(self, filename):
+        self.filename = filename
+
+    def read(self):
+        lines = []
+        with open(self.filename, 'r') as f:
+            for line in f.readlines():
+                lines.append(line.strip())
+        return lines
+