Pandas DataFrame Select Rows

import pandas as pditems = [    ["A", 1],    ["B", 2],    ["C", 3],    ["D", 4],    ["E", 5]]data = pd.DataFrame(items, columns=['alphabet', 'number'])print(data)

  alphabet  number
0        A       1
1        B       2
2        C       3
3        D       4
4        E       5

data.head(1)

  alphabet  number
0        A       1

data.head(3)

  alphabet  number
0        A       1
1        B       2
2        C       3

data.tail(1)

  alphabet  number
4        E       5

data.tail(3)

  alphabet  number
2        C       3
3        D       4
4        E       5

data.iloc[0:1]

  alphabet  number
0        A       1

data.iloc[1:2]

  alphabet  number
1        B       2

data.iloc[1:4]

  alphabet  number
1        B       2
2        C       3
3        D       4