Write group to file

.vscode/launch.json

@@ -0,0 +1,15 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Python: Current File",
+            "type": "python",
+            "request": "launch",
+            "program": "${file}",
+            "console": "integratedTerminal"
+        }
+    ]
+}

group.py

@@ -1,5 +1,33 @@
-"""An example of how to represent a group of acquaintances in Python."""
+import yaml
+"An example of how to represent a group of acquaintances in Python."""
 
 # Your code to go here...
 
-my_group =
+my_group = {"Kyriazis":{"age":25,
+                        "job":"Msc Student",
+                        "relations":{"Mathew","Friend"}
+                        },
+            "Mathew":{"age":24,
+                    "job":"Phd Student",
+                    "relations":{"Kyriazis":"Friend","Michael":"Friend"}
+                    },
+            "Michael":{"age":25,
+                    "job":"Phd Student",
+                    "relations":{"Kyriazis":"Friend","Mathew":"Friend"}
+                    },
+            "Emre":{"age":22,
+                    "job":"Mres",
+                    "relations":{"Kyriazis":"Friend","Mathew":"Friend","Michael":"Friend"}
+                    }        
+            } 
+print(f"All relations of Emre {my_group['Emre']['relations']}")                               
+
+print(f"Relationship between Emre and Kyriazis {my_group['Emre']['relations']['Kyriazis']}")   
+
+with open('my_group.yaml', 'w') as yaml_group:
+    yaml_group.write(yaml.dump(my_group))
+
+# makng sure the file can be read
+with open('my_group.yaml') as yaml_group:
+    group_from_file = yaml.safe_load(yaml_group)
+print(group_from_file)

my_group.yaml

@@ -0,0 +1,25 @@
+Emre:
+  age: 22
+  job: Mres
+  relations:
+    Kyriazis: Friend
+    Mathew: Friend
+    Michael: Friend
+Kyriazis:
+  age: 25
+  job: Msc Student
+  relations: !!set
+    Friend: null
+    Mathew: null
+Mathew:
+  age: 24
+  job: Phd Student
+  relations:
+    Kyriazis: Friend
+    Michael: Friend
+Michael:
+  age: 25
+  job: Phd Student
+  relations:
+    Kyriazis: Friend
+    Mathew: Friend