diff --git a/code/chap07/dataframe_creation_from_rows.py b/code/chap07/dataframe_creation_from_rows.py
index 7f8913b..3095d9e 100644
--- a/code/chap07/dataframe_creation_from_rows.py
+++ b/code/chap07/dataframe_creation_from_rows.py
@@ -119,13 +119,15 @@
     #==========================================
     # Create DataFrames from a list of the rows
     #==========================================
+    ## simplify
+    # departments_with_employees_seq = [eval('department_with_employees_{}'.format(i)) for i in range(1, 6)]
     departments_with_employees_seq_1 = [department_with_employees_1, department_with_employees_2, department_with_employees_5]
     df = spark.createDataFrame(departments_with_employees_seq_1)
     #
     df.show(truncate=False)
     df.printSchema()
     
-
+    
     departments_with_employees_seq_2 = [department_with_employees_1, department_with_employees_3, department_with_employees_4, department_with_employees_5]
     df2 = spark.createDataFrame(departments_with_employees_seq_2)