add function placeholders for

issue UCL-COMP0233-24-25#7

group.py

@@ -3,22 +3,40 @@
 # Your code to go here...
 
 my_group = [{"Jill":{"age": 26,
-                    "job": "biologist",
-                    "connection":{"Zalika":"friend",
-                                  "John":"partner"}
-                    }
-            },
+                     "job": "biologist",
+                     "connection":{"Zalika":"friend",
+                                   "John":"partner"}
+                                   }
+                                   },
             {"Zalika":{"age": 28,
-                    "job": "artist",
-                    "connection":{"Jill":"friend"}
-                    }
-            },
+                       "job": "artist",
+                       "connection":{"Jill":"friend"}
+                       }
+                       },
             {"John":{"age": 27,
-                    "job": "writer",
-                    "connection":{"Jill":"partner"}}
-                    },
+                     "job": "writer",
+                     "connection":{"Jill":"partner"}
+                     }
+                     },
             {"Nash":{"age": 34,
-                    "job": "chef",
-                    "connection":{"John":"cousin",
-                                  "Zalika":"landlord"}}
-                    }]
+                     "job": "chef",
+                     "connection":{"John":"cousin",
+                                   "Zalika":"landlord"}
+                                   }
+                                   }]
+
+#returns the max age
+def max_age(friend_group):
+    ages = []
+    for person in friend_group:
+        for name in person.values():
+            age = name.get("age")
+            ages.append(age)
+    print(max(ages))
+
+def mean_relation():
+    pass
+def max_age_with_relation():
+    pass
+
+max_age(my_group)