import numpy as np import pandas as pd a1 = [] for q for range(10): ar1 = [q、q + 1、q + 2、q + 3] a1.append(ar1) n1 = np.array(a1 ) df1 = pd.DataFrame(n1、columns = ["t1"、 "t2"、 "t3"、 "t4"]、index = range(1,11)) #df1.to_json( "data / 1.json" ) df1.to_csv( "data / 1.csv") df2 = pd.read_csv( "data / 1.csv"、index_col = 0) print(df1) print(df2)