Adding functions that give age properties of the group

excercise8.py

@@ -0,0 +1,12 @@
+import json
+
+with open('my_file.json', 'r') as f:
+     loaded_json_string = f.read()
+#print(loaded_json_string)
+
+loaded_data = json.loads(loaded_json_string)
+print(f"loaded_data = {loaded_data}")
+print(f"type(loaded_data) = {type(loaded_data).__name__}")
+print(f"type(loaded_data['foo']) = {type(loaded_data['Jill']).__name__}")
+
+print(type(loaded_json_string))

group.py

@@ -1,5 +1,54 @@
 """An example of how to represent a group of acquaintances in Python."""
 
-# Your code to go here...
+# Creates a dictionary of dictionaries...
 
-my_group =
+my_group = {"Jill":
+            {"Job":"Biologist", "Age":26, "Relations":{"Zalika":"Friend", "John":"partner"}},
+            "Zalika":
+            {"Job":"Artist", "Age":28, "Relations":{"Jill":"Friend"}},    
+            "John":
+            {"Job":"Writer", "Age":27, "Relations":{"Zalika":"Partner"}},
+            "Nash":
+            {"Job":"Chef", "Age":34, "Relations":{"John":"Cousin","Zalika":"Landlord"}},
+            "Steve":
+            {"Job":"Toy", "Age":40, "Relations":{"John":"Friend","Nash":"Owner"}}}
+
+# to access use my_group["Jill"].values() will give values or my_group["Jill"]["Relations"][0]
+# ruff from command palette, ctrl shift p and format document will tidy up your code
+x=0
+i=0
+z=0
+p=0
+w=0
+for y in my_group:
+    i+=1
+    if my_group[y]["Age"] > x:
+        x = my_group[y]["Age"]
+
+    z+= len(my_group[y]["Relations"])
+
+    if len(my_group[y]["Relations"]):
+        if my_group[y]["Age"] > p:
+            p= my_group[y]["Age"]
+
+    if len(my_group[y]["Relations"]):
+        for a in my_group[y]["Relations"].values():
+            if a == "Friend":
+                if my_group[y]["Age"] > w:
+                    w = my_group[y]["Age"]
+
+
+print(x) # max age
+print(z/i) # mean number of relations
+print(p) # max age of people with at least one relation
+print(w) # max age of people that have a friend
+
+#Excercise on data formats
+import json
+
+json_string = json.dumps(my_group)
+
+with open('my_file.json', 'w') as f:
+    f.write(json_string)
+
+print(type(my_group))