import pandas as pd CEC21_table2 = pd.DataFrame([['14',15,20,25], ['12',20,25,30], ['10',30,35,40], ['8',40,50,55], ['6',40,50,55], ['4',70,85,95], ['3',85,100,115], ['2',95,115,130], ['1',110,130,145], ['0',125,150,170], ['00',145,175,195], ['000',165,200,225], ['0000',195,230,260], ['250',215,255,290], ['300',240,285,320], ['350',260,310,350], ['400', 280,335,380], ['500',320,380,430], ['600',350,420,475], ['700',385,460,520], ['750',400,475,535], ['800',410,490,555], ['900',435,520,585], ['1000',455,545,615] ], columns = ['size','60','75','90'] ) CEC_table2 = CEC21_table2