Coursework #11

group.py

@@ -2,4 +2,47 @@
 
 # Your code to go here...
 
-my_group =
+from statistics import mean
+
+
+my_group = [
+    {
+        'name' : 'Jill',
+        'age' : 26,
+        'job' : 'biologist',
+        'connections' : {
+            'friend' : 'Zalika',
+            'partner' : 'John'
+        }
+    },
+    {
+        'name' : 'Zalika',
+        'age' : 28,
+        'job' : 'artist',
+        'connections' : {
+            'friend' : 'Jill'
+        }
+    },
+    {
+        'name' : 'John',
+        'age' : 27,
+        'job' : 'writer',
+        'connections' : {
+            'partner' : 'Jill'
+        }
+    },
+    {
+        'name' : 'Nash',
+        'age' : 34,
+        'job' : 'chef',
+        'connections' : {
+            'cousin' : 'John',
+            'landlord' : 'Zarika'
+        }
+    }
+]
+
+print('The maximum age is ' + str(max(person['age'] for person in my_group)))
+print('The mean number of relations is ' + str(mean(len(person['connections']) for person in my_group)))
+print('The maximum age of people with at least one relation is ' + str(max(person['age'] for person in my_group if person['connections'])))
+print('The maximum age of people with at least one friend is ' + str(max(person['age'] for person in my_group if 'friend' in person['connections'])))

stretch_.py

@@ -0,0 +1,41 @@
+def forget(person1, person2):
+    # person1 is the main human who is forgetting person2
+    for person in my_group:
+        if person['name'] == person1:
+            for connection in person['connections']:
+                if person['connections'][connection] == person2:
+                    del person['connections'][connection]
+                    break
+
+def add_person(name, age, job, connections):
+    my_group.append(
+        {
+            'name' : name,
+            'age' : int(age),
+            'job' : job,
+            'connections' : connections
+        }    
+    )
+
+def average_age():
+    total = 0
+    for person in my_group:
+        total += person['age']
+    return total/len(my_group)
+
+my_group = [
+    {
+        'name' : 'Jill',
+        'age' : 26,
+        'job' : 'biologist',
+        'connections' : {
+            'friend' : 'Zalika',
+            'partner' : 'John'
+        }
+    }
+]
+
+forget('Jill', 'John')
+add_person('Rachel', '22', '', {})
+print(my_group)
+print(average_age())