Modularize nearby_schools wrapper and pull data for Boston and Buffalo.

main/secret.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+
+def get_key(filename: str):
+    """ 
+    Provide a path to a valid file, this will return the contents.
+        Parameters:
+                filename (str): path to file
+        Returns:
+                schools (dict): Collated response from API
+    """
+    try:
+        with open(filename, 'r') as f:
+            # It's assumed our file contains a single line,
+            # with our API key
+            return f.read().strip()
+    except FileNotFoundError:
+        print("'%s' file not found" % filename)