import pandas as pd
import numpy as np

datas = np.random.randint(10, 100, (6, 4))
print(datas)
df = pd.DataFrame(datas)
df.columns = ['score1', 'score2', 'score3', 'score4']
df.columns = ['s1', 's2', 's3', 's4']
#df.index = pd.date_range('20210114', periods=6)
print(df)