import pandas as pd
 
data = {
	'Feature': [1, 2, 1, 4],
	'Label': [1, 2, 1, 2]
}
 
df = pd.DataFrame(data)
 
def test_dataframe_unique_rows(df):
	# Check if all rows are unique
	assert df.duplicated().sum() == 0, "Dataframe contains duplicate rows"