diff --git a/group.py b/group.py
index e2ec347..89a05b6 100644
--- a/group.py
+++ b/group.py
@@ -1,5 +1,64 @@
 """An example of how to represent a group of acquaintances in Python."""
 
+
 # Your code to go here...
+my_group = {"Jill": {"Age": 26, 
+            "Job": "biologist", 
+            "Relationship": {"Zalika": "friend",
+            "John": "partner"}},
+            
+            "Zalika": {"Age": 28, 
+            "Job": "artist", 
+            "Relationship": {"Jill": "friend"}},
+
+            "John": {"Age": 28,
+            "Job": "writer",
+            "Relationship": {"Jill": "partner"}},
+
+            "Nash": {"Age": 34,
+            "Job": "chef",
+            "Relationship": {"John": "cousin", 
+            "Zalika": "landlord"}}}
+
+#forget(person1, person2) which removes the connection between two people in the group
+#add_person(name, age, job, relations) which adds a new person with the given characteristics to the group
+#average_age() which calculates the mean age for the group
+
+def forget(person1, person2):
+    for name, info in my_group.items():
+        RelationDic = info["Relationship"]
+        if name == person1:
+            RelationDic.pop(person2, None)
+        if name == person2:
+            RelationDic.pop(person1, None)
+
+def add_person(name, age, job, relations = {}):
+    my_group[name] = {"Age": age, "Job": job, "Relationship": relations }
+    
+def average_age():
+    age = 0
+    count_num = 0
+    for name, info in my_group.items():
+        age += info["Age"]
+        count_num += 1
+    average = age/count_num
+    print(f"The average age of {count_num} people in the group is {average}")
+
+###Try some of the functions
+#add_person("Rongru",24,"Student",{"John": "friend"})
+
+#forget("Jill","Zalika")
+#my_group
+
+
+##Add the following comprehensive relations
+#the maximum age of people in the group
+#the average (mean) number of relations among members of the group
+#the maximum age of people in the group that have at least one relation
+#[more advanced] the maximum age of people in the group that have at least one friend
+
+MaxiAge_comprehend = max([info["Age"] for name, info in my_group.items()])
+Mean_relation = sum([len(info["Relationship"]) for name, info in my_group.items()])/len(my_group.keys())
+MaxAge_relation = max([info["Age"] for name, info in my_group.items() if len(info["Relationship"]) >1])
+MaxAge_friend = max([info["Age"] for name, info in my_group.items() if "friend" in info["Relationship"].values()])
 
-my_group =