completed the email function

friend_functions.py

@@ -16,14 +16,11 @@ def count_people(people):
         
 
 def get_email(people, name):
-    """Returns the named person's email address. If there is no such person, returns None.
-
-        >>> get_email(family, "Tad Winters")
-        "ligula.aenean@hotmail.edu"
-        >>> get_email(friends, "Tad Winters")
-        None
-    """
-    raise NotImplementedError()
+    #Returns the named person's email address. If there is no such person, returns None.
+    for person in people:
+        if person.get("name") == name:
+            return person.get("email")
+    return None
 
 def count_favorite_colors(people, name):
     """Returns the number of colors liked by the named person. If there is no such person, returns None.