python中dtype()函数用法

问题遇到的现象和发生背景

在begin-end 区间中补充代码,使用dtype函数查看数据集的类型

用代码块功能插入代码，请勿粘贴截图
import pandas as pd
# 读入外部数据
data3 = pd.read_csv('deaths.csv')
#####begin#####

#####end######

#######达到下列运行结果

Unnamed: 0          int64
UID                 int64
iso2               object
iso3               object
code3               int64
FIPS              float64
Admin2             object
Province_State     object
Country_Region     object
Lat               float64
Long_             float64
Combined_Key       object
Population          int64
1/22/20             int64
1/23/20             int64
1/24/20             int64
1/25/20             int64
1/26/20             int64
1/27/20             int64
1/28/20             int64
1/29/20             int64
1/30/20             int64
1/31/20             int64
2/1/20              int64
2/2/20              int64
2/3/20              int64
2/4/20              int64
2/5/20              int64
2/6/20              int64
2/7/20              int64
                   ...   
7/15/20             int64
7/16/20             int64
7/17/20             int64
7/18/20             int64
7/19/20             int64
7/20/20             int64
7/21/20             int64
7/22/20             int64
7/23/20             int64
7/24/20             int64
7/25/20             int64
7/26/20             int64
7/27/20             int64
7/28/20             int64
7/29/20             int64
7/30/20             int64
7/31/20             int64
8/1/20              int64
8/2/20              int64
8/3/20              int64
8/4/20              int64
8/5/20              int64
8/6/20              int64
8/7/20              int64
8/8/20              int64
8/9/20              int64
8/10/20             int64
8/11/20             int64
8/12/20             int64
8/13/20             int64
Length: 218, dtype: object



import pandas as pd
# 读入外部数据
data3 = pd.read_csv('deaths.csv')
#####begin#####
print(data3.info())
#####end######