diff --git a/group.py b/group.py
index e2ec347..ca596cc 100644
--- a/group.py
+++ b/group.py
@@ -2,4 +2,56 @@
 
 # Your code to go here...
 
-my_group =
+
+# my_group = {'TianYi': [22,"google algorithm engineer"], 'houkang': [21,"boss"], 'jiahe': [23,"rocket engineer"]}
+
+my_group = {
+    'tianyi' : {
+        'relationship': {
+            'younger brother' : 'houkang',
+            'elder brother' : 'jiahe',
+        },
+        'age' : 22,
+        'job' : "google algorithm engineer"
+    },
+    'houkang' : {
+        'relationship': {
+            'elder brother' : 'tianyi',
+            'elder brother' : 'jiahe',
+        },
+        'age' : 21,
+        'job' : "ikun leader"
+    },
+    'jiahe' : {
+        'relationship': {
+            'younger brother' : 'tianyi',
+            'younger brother' : 'houkang',
+        },
+        'age' : 23,
+        'job' : "rocket engineer"
+    },
+}
+
+# my_group = {
+#     'tianyi' : {
+#         'relationship': {
+#             'brother' : ['jiahe','houkang']
+#         },
+#         'age' : 22,
+#         'job' : "google algorithm engineer"
+#     },
+#     'houkang' : {
+#         'relationship': {
+#             'brother' : ['tianyi','jiahe']
+#         },
+#         'age' : 21,
+#         'job' : "ikun leader"
+#     },
+#     'jiahe' : {
+#         'relationship': {
+#             'brother' : ['tianyi','houkang'],
+#         },
+#         'age' : 23,
+#         'job' : "rocket engineer"
+#     },
+# }
\ No newline at end of file