list 和 DataFrame的相互转换

Handsome_zhou

import numpy as np
import pandas as pd

a = [1,2,3,4,5,6,7,8,9,10,np.nan,12]

#将a变成DataFrame格式
a = pd.DataFrame(a)

#a的结果：
print(a)















a = np.ravel(a)#将数组维度拉成一维数组

#还原后的a
print(a)