Function test_task_4

data/unit_test/tests.py:169–172

(trajectory)

    assert duplicates==0

def test_task_4(trajectory):
    df=pd.read_csv('./output/4.csv')
    null_value = df.isnull().sum().sum()
    assert null_value==0

def test_task_5(trajectory):
    df=pd.read_csv("./output/5.csv")