Update README.md

README.md

@@ -14,19 +14,19 @@ dataset_info:
     - name: valid_codes
       sequence: string
     - name: adv_test_cases
-      sequence:
+      list:
         - name: input
           dtype: string
         - name: output
           dtype: string
     - name: rand_test_cases
-      sequence:
+      list:
         - name: input
           dtype: string
         - name: output
           dtype: string
     - name: corner_test_cases
-      sequence:
+      list:
         - name: input
           dtype: string
         - name: output