edit user IO

user_IO.py

@@ -0,0 +1,16 @@
+def userinput():
+    print("Hi User, \n do you want to edit your grades?")
+    todo = input("Ok, do you want to see them or to edit them? [see/edit]\n")
+    if todo == "see":
+        print("Which subject do you want to know the information?")
+        subject = input()
+        return "output", subject
+    elif todo == "edit":
+        print("Do you want to add a subject, a category or a grade? [subject/category/grade]")
+        useradd = input()
+        if useradd == "subject":
+            subject = input("Which subject do you want to add? \n")
+            return "input", subject
+        elif todo == "category":
+            subject = input("Where do you want to add the category? \n")
+            category = input("Which category do you want ot add? \n")