python3读取csv和xlsx文件的实例

import csv
def fileload(filename = '待读取.csv'):
  csvfile = open(filename, encoding = 'utf-8')
  data = csv.reader(csvfile)
  dataset = []
  for line in data:
    dataset.append(line)
  csvfile.close()
  return dataset

import xlrd
def fileload(filename = '待读取.xlsx'):
  dataset = []
  workbook = xlrd.open_workbook(filename)
  table = workbook.sheets()[0]
  for row in range(table.nrows):
    dataset.append(table.row_values(row))
  return dataset