From 82cd983d5ef290265a2dcdb920d01091cfd1071b Mon Sep 17 00:00:00 2001
From: Christina <christina.katsiva.20@ucl.ac.uk>
Date: Sat, 21 Nov 2020 21:29:26 +0000
Subject: [PATCH 1/2] Exercise 10

---
 group.py | 45 ++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 42 insertions(+), 3 deletions(-)

diff --git a/group.py b/group.py
index e2ec347..711e21d 100644
--- a/group.py
+++ b/group.py
@@ -1,5 +1,44 @@
-"""An example of how to represent a group of acquaintances in Python."""
+# Using the example code from the lecture
 
-# Your code to go here...
+group = {
+    "Jill": {
+        "age": 26,
+        "job": "biologist",
+        "relations": {
+            "Zalika": "friend",
+            "John": "partner"
+        }
+    },
+    "Zalika": {
+        "age": 28,
+        "job": "artist",
+        "relations": {
+            "Jill": "friend"
+        }
+    },
+    "John": {
+        "age": 27,
+        "job": "writer",
+        "relations": {
+            "Jill": "partner"
+        }
+    },
+    "Nash": {
+        "age": 34,
+        "job": "chef",
+        "relations": {
+            "John": "cousin",
+            "Zalika": "landlord"
+        }
+    }
+}
 
-my_group =
+def mean(data):
+    """Compute the mean of a non-empty list of numbers."""
+    return sum(data) / len(data)
+
+
+print(max(person["age"] for person in group.values()))
+print(mean([len(person["relations"]) for person in group.values()]))
+print(max(person["age"] for person in group.values() if person["relations"]))
+print(max(person["age"] for person in group.values() if "friend" in person["relations"].values()))
\ No newline at end of file

From e36fb287c84cf2b9b50302dc612730c3e7f4c0c3 Mon Sep 17 00:00:00 2001
From: Christina <christina.katsiva.20@ucl.ac.uk>
Date: Sun, 22 Nov 2020 10:20:14 +0000
Subject: [PATCH 2/2] HW3 json

---
 group.py        | 12 +++++++++++-
 group_file.json |  0
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 group_file.json

diff --git a/group.py b/group.py
index 711e21d..a186825 100644
--- a/group.py
+++ b/group.py
@@ -41,4 +41,14 @@ def mean(data):
 print(max(person["age"] for person in group.values()))
 print(mean([len(person["relations"]) for person in group.values()]))
 print(max(person["age"] for person in group.values() if person["relations"]))
-print(max(person["age"] for person in group.values() if "friend" in person["relations"].values()))
\ No newline at end of file
+print(max(person["age"] for person in group.values() if "friend" in person["relations"].values()))
+
+import json
+
+#write file
+with open('group_file.json', 'w') as json_file:
+	json.dumps(group, json_file, indent=4)
+
+#read file
+with open('group_file.json', 'r') as json_file:
+	group_data = json_file.read()
\ No newline at end of file
diff --git a/group_file.json b/group_file.json
new file mode 100644
index 0000000..e69de29