first commit

examen dubbels/script.py

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+import pandas as pd
+
+#variables
+file_path = 'ps (30).xlsx'
+sheet_name = 'ps (30)'
+column_name = 'Student-ID'
+
+df = pd.read_excel(file_path, sheet_name=sheet_name)
+
+duplicate_ids= df[df.duplicated(subset=[column_name], keep=False)][column_name]
+
+unique_duplicate_ids = duplicate_ids.drop_duplicates()
+
+num_duplicates = len(unique_duplicate_ids)
+
+if not unique_duplicate_ids.empty:
+    print(f"Duplicated Student-ID values (count: {num_duplicates})  :")
+    print(unique_duplicate_ids)
+else:
+    print("No duplicates found.")