Exercise for week3

group.py

@@ -2,4 +2,68 @@
 
 # Your code to go here...
 
-my_group =
+import json
+
+my_group = {
+    "Jill": {
+        "age": 26,
+        "job": "biologist",
+        "connection": {
+            "Zalika": "friend",
+            "John": "partner"
+        }
+    },
+    "Zalika": {
+        "age": 28,
+        "job": "artist",
+        "connection": {
+            "Jill": "friend"
+        }
+    },
+    "John": {
+        "age": 27,
+        "job": "writer",
+        "connection": {
+            "Jill": "partner"
+        }
+    },
+    "Nash": {
+        "age": 34,
+        "job": "chef",
+        "connection": {
+            "John": "cousin",
+            "Zalika": "landlord"
+        }
+    }
+} 
+
+
+print(my_group.items())
+
+#Question 1#
+age_1 = {friend: person["age"] for friend, person in my_group.items()} 
+print("The maximum age in the group is:", max(age_1.values())) 
+
+#Question 2#
+no_relations = {friend: len(my_group[friend]['connection']) for friend, person in my_group.items()} 
+print("The average (mean) number of relations among members of the group: is", sum([x for x in no_relations.values()])/len(no_relations))
+
+#Question 3#
+age_2 = {friend: person["age"] for friend, person in my_group.items() if len(my_group[friend]['connection'])>=1} 
+print("The maximum age of people in the group that have at least one relation is:", max(age_2.values())) 
+
+#Question 4#
+age_3 = {friend: person["age"] for friend, person in my_group.items() if "friend" in my_group[friend]['connection'].values()}
+print("The maximum age of people in the group that have at least one friend is:", max(age_3.values()))
+
+# Change the group dictionary into the json file
+with open('my_group.json', 'r') as json_file:
+    print(json.dump(my_group, json_file, indent=4))
+
+#Loading Data
+with open('my_group.json', 'r') as json_file:
+    my_group_as_string = json_file.read()
+    print(my_group_as_string)
+
+    mygroup = json.loads(my_data_as_string)
+    print(mygroup)

my_group.json

@@ -0,0 +1,33 @@
+{
+    "Jill": {
+        "age": 26,
+        "job": "biologist",
+        "connection": {
+            "Zalika": "friend",
+            "John": "partner"
+        }
+    },
+    "Zalika": {
+        "age": 28,
+        "job": "artist",
+        "connection": {
+            "Jill": "friend"
+        }
+    },
+    "John": {
+        "age": 27,
+        "job": "writer",
+        "connection": {
+            "Jill": "partner"
+        }
+    },
+    "Nash": {
+        "age": 34,
+        "job": "chef",
+        "connection": {
+            "John": "cousin",
+            "Zalika": "landlord"
+        }
+    }
+} 
+