completed classwork UCL-MPHY0021-21-22#12

Author: erg43

group.py

@@ -1,6 +1,6 @@
 """An example of how to represent a group of acquaintances in Python."""
 
-# Your code to go here...
+# Define the group as a series of nested dictionaries
 
 my_group = {'Jill' : 
         {'age' : 26 , 'job' : 'biologist' , 'connections' : 
@@ -15,3 +15,65 @@
         {'age' : 34 , 'job' : 'chef' , 'connections' : 
              {'cousin' : 'John' , 'tenant' : 'Zalika'}   }   }
 
+
+
+# Simple loop to extract ages from the group, and choose the largest
+
+max_age = 0
+
+for a in my_group:
+    age = my_group[a]['age']
+    if age > max_age:
+        max_age = age
+
+print("The oldest person in the group is",max_age,"years old.")
+
+
+# Find the mean number of relations in the group
+
+num_relations = []
+
+for a in my_group:
+    relations = my_group[a]['connections']
+    num_relations.append(len(relations))
+
+import statistics
+mean_number = statistics.mean(num_relations)
+
+print("The mean number of relations amongst the group is",mean_number,"relations.")
+
+
+
+# Find the maximum age of people with 1+ relations
+
+max_age2 = 0
+
+for a in my_group:
+    num_relations2 = len(my_group[a]['connections'])
+    if num_relations2 >= 1:
+        age2 = my_group[a]['age']
+        if age2 > max_age2:
+            max_age2 = age2
+
+print("The oldest person in the group with at least 1 relation is",max_age2,"years old.")
+
+
+
+# Find the maximum age of people with 1+ friends
+
+max_age3 = 0
+
+for a in my_group:
+    connections = my_group[a]['connections']
+    if "friend" in connections:
+        friends = connections['friend']
+        if isinstance(friends, dict):
+            num_friends = len(friends)
+        elif isinstance(friends, str):
+            num_friends = 1
+        if num_friends >= 1:
+            age3 = my_group[a]['age']
+            if age3 > max_age3:
+                max_age3 = age3
+
+print("The oldest person in the group with at least 1 friend is",max_age3,"years old.")