import csv

import numpy as np

# with open("data.csv") as f:
#     csv_reader = csv.reader(f)
#     for row in csv_reader:
#         print(row)
#
# import pandas as pd
# df = pd.read_csv("data.csv", encoding="utf-8")
# print(df)
# df_array = np.array(df)  # 将pandas读取的数据转化为array
# df_list = df_array.tolist()  # 将数组转化为list
# print(df_list)
# x = df[['name', 'age']]
# print(x)
# y = df[['name']]
# print(y)
# def aa():
#     num=3
#     while True:
#         if num==3:
#             return
#     print("aaaaaaaaaa")
#
# aa()
# print("11111111")