code sample for pandas-dev#39695

Author: simonjayhawkins

bisect/39695.py

@@ -0,0 +1,9 @@
+import pandas as pd
+
+print(pd.__version__)
+
+dft = pd.DataFrame({"A": [0, 1], "B": [10, 11]})
+dft.to_excel("test.xlsx", columns=["A", "B", "A"], engine="openpyxl")
+
+result = pd.read_excel("test.xlsx", engine="openpyxl")
+print(result)