diff --git a/.vs/ProjectSettings.json b/.vs/ProjectSettings.json
new file mode 100644
index 0000000..f8b4888
--- /dev/null
+++ b/.vs/ProjectSettings.json
@@ -0,0 +1,3 @@
+{
+  "CurrentProjectSetting": null
+}
\ No newline at end of file
diff --git a/.vs/slnx.sqlite b/.vs/slnx.sqlite
new file mode 100644
index 0000000..32ad681
Binary files /dev/null and b/.vs/slnx.sqlite differ
diff --git a/assignment_1.py b/assignment_1.py
index 22b0d0b..07358fd 100644
--- a/assignment_1.py
+++ b/assignment_1.py
@@ -4,6 +4,7 @@
 The fastest one to push is lucky, the others will most likely get a merge
 conflict. See if you can fix it :)
 """
+import numpy as np
 
 def lower_case(string):
     """
@@ -16,7 +17,7 @@ def lower_case(string):
     """
 
     ### your code starts here
-
+    lower_string = np.lower_string(string)
     ### your code ends here
 
     return lower_string
@@ -36,7 +37,7 @@ def upper_case(string):
     upper_string -- upper case version of string
     
     """
-
+    upper_string = np.upper_string(string)
     ### your code starts here
 
     ### your code ends here