Medium-20210509-3.py

Medium-20210509-3.py

# column names for the comparison column
check_colnames= [s + '_c' for s in columnnames1]

# add suffixes to distinguish between actual and expected in the merger
file1 = file1.add_suffix('_e') # expected
file2 = file2.add_suffix('_t') # actual, true result

# merge them using the given key, use outer join
comparison = pd.merge(file1,file2, how='outer',
                      left_on=['Key_e'],
                      right_on=['Key_t'])

# create the columnwise comparison
for col in columnnames1:
    comparison[(col + '_c')] = comparison[(col + '_t')] == comparison[(col + '_e')]

# reorder the columns
comparison=comparison.reindex(sorted(comparison.columns),axis=1)

# save the result as Excel file
comparison.to_excel('result.xlsx')