diff --git a/Jenkinsfile b/Jenkinsfile
index a7f81d6..98271f0 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -23,6 +23,11 @@ pipeline {
             sh 'python3 main.py'
          }
       }
+      stage('List') {
+         steps {
+            sh 'ls -la'
+         }
+      }
       stage('ArchiveArtifacts') {
          steps {
             archiveArtifacts 'liver.data.train'
diff --git a/Jenkinsfile2 b/Jenkinsfile2
index ae0851a..5c2a38f 100644
--- a/Jenkinsfile2
+++ b/Jenkinsfile2
@@ -14,11 +14,11 @@ pipeline {
          copyArtifacts projectName: 'z-s487186-create-dataset', selector: lastSuccessful()
       }
     }
-    stage('test') {
-      steps {
-         sh 'ls -la'
+      stage('List') {
+         steps {
+            sh 'ls -la'
+         }
       }
-    }
       stage('Script') {
          steps {
             sh 'python3 main2.py > output.txt'
diff --git a/main2.py b/main2.py
index 28a72d3..48cea77 100644
--- a/main2.py
+++ b/main2.py
@@ -1,8 +1,8 @@
 import pandas as pd
 
-train = pd.read_csv('liver.data.train')
-test = pd.read_csv('liver.data.test')
-dev = pd.read_csv('liver.data.dev')
+train = pd.read_csv('liver.train.data')
+test = pd.read_csv('liver.test.data')
+dev = pd.read_csv('liver.dev.data')
 
 print('\ntrain dataset:\n', train.describe())
 print('\ntest dataset:\n', test.describe())