数据不能根据索引来取,会是空数据

df = pd.read_csv("./data/train1.csv")
#df = pd.read_csv("./data/sample_submission.csv")
label = df['TARGET']
# print(df)
df = df.drop(['ID', 'TARGET'], axis=1)
#print(label)
##(1) missiong np缺失值
missSet = [np.nan, 9999999999, -999999]
#Count disticnt
len(df.iloc[:, 0].unique())
print(df[:, 0])