Stretch Goal: Friend group data functions

group.py

@@ -1,5 +1,85 @@
 """An example of how to represent a group of acquaintances in Python."""
 
-# Your code to go here...
+#forget(person1, person2) which removes the connection between two people in the group
+def forget(person1, person2):
+    for i in range(my_group.__len__()):
+        if my_group[i]['name'] == person1 or my_group[i]['name'] == person2:
+            relationships = my_group[i]['relationship']
+            j = 0
+            while j < relationships.__len__():
+                if relationships[j][1] == person1 or relationships[j][1] == person2:
+                    del(my_group[i]['relationship'][j])
+
+                else: 
+                    j = j + 1
+
+#add_person(name, age, job, relations) which adds a new person with the given characteristics to the group
+def add_person(name,age,job,relations):
+    my_group.append( 
+        {"name":name, 
+        "job":job,
+        "relationship":relations,
+        "age":age}
+        )
+
+#average_age() which calculates the mean age for the group
+def average_age():
+    total_group_age = sum([my_group[i]['age'] for i in range(my_group.__len__())])
+    total_group_size = my_group.__len__()
+    return (total_group_age/total_group_size)
+
+my_group = [
+    {"name":"Jill", 
+    "job":"biologist",
+    "relationship":[("friend","Zalika"),("partner","John")],
+    "age":26}
+    ,
+    {"name":"Zalika", 
+    "job":"artist",
+    "relationship":[("friend","Jill")],
+    "age":28}
+    ,
+    {"name":"John", 
+        "job":"writer",
+        "relationship":[("partner","Jill")],
+        "age":27},
+    {"name":"Nash", 
+        "job":"chef",
+        "relationship":[("landlord","Zalika"),("cousin","John")],
+        "age":34}
+    ]
+
+#print(my_group[0]['name'] + " is " + str(my_group[0]["age"]) +", a " + my_group[0]["job"] +" and she is " + my_group[0]['relationship'][0][1] + "'s " + my_group[0]['relationship'][0][0])
+
+#Homework - Anda
+
+#The indices of the dictionnaries representing the data related to friends, for the my_group list.
+list = [j for j in range(my_group.__len__())]
+
+#maximum age of ppl in the group
+[print(max(age)) for age in [[my_group[i]['age'] for i in list]]]
+
+#the average (mean) number of relations among members of the group
+[print(total/my_group.__len__()) for total in [sum([my_group[i]['relationship'].__len__() for i in list])]]
+
+#the maximum age of people in the group that have at least one relation
+[print(max(age)) for age in [[my_group[i]['age'] for i in list if my_group[i]['relationship'].__len__()>=1]]]
+
+#[more advanced] the maximum age of people in the group that have at least one friend
+[print(max(age)) for age in [[my_group[i]['age'] for i in list if ('friend' in [my_group[i]['relationship'][j][0] for j in range(my_group[i]['relationship'].__len__())])]]]
+
+
+#Stretch Goal: Friend group data functions 
+
+#Test forget method
+forget('Jill','John')
+[print(my_group[ind]['relationship']) for ind in list]
+
+#Test add_person method
+add_person("Sheldon",30,"pilot",[("friend","Nash")])
+updated_list = [j for j in range(my_group.__len__())]
+[print(my_group[ind]['name']) for ind in updated_list]
+
+#Test average_age
+print(average_age())
 
-my_group =