代码如下：
import pandas as pd # 将pandas作为第三方库导入，我们一般为pandas取一个别名叫做pd
dfzz=pd.DataFrame({"a":[1.78,1.8,2.8,2.75,5,5,23],"b":[20.8,10,10,30,43,1,12],"c":[23,15,50,3,343,12,95]})
am=pd.DataFrame({"a":[None],"b":[None]})
print(dfzz)
print(am)
print("")
data2 = dfzz.loc[2:3]
print(data2)
运行结果：
a b c
0 1.78 20.8 23
1 1.80 10.0 15
2 2.80 10.0 50
3 2.75 30.0 3
4 5.00 43.0 343
5 5.00 1.0 12
6 23.00 12.0 95
a b
0 None None
a b c
2 2.80 10.0 50
3 2.75 30.0 3
Process finished with exit code 0
Original: https://blog.csdn.net/m0_52551404/article/details/127460651
Author: py617
Title: dataframe 怎么提取指定的某几行
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