pandas sample

1>>> df.sample(frac=0.5, replace=True, random_state=1)
2      num_legs  num_wings  num_specimen_seen
3dog          4          0                  2
4fish         0          0                  8
5

1>>> df['num_legs'].sample(n=3, random_state=1)
2fish      0
3spider    8
4falcon    2
5Name: num_legs, dtype: int64
6

1>>> df = pd.DataFrame({'num_legs': [2, 4, 8, 0],
2...                    'num_wings': [2, 0, 0, 0],
3...                    'num_specimen_seen': [10, 2, 1, 8]},
4...                   index=['falcon', 'dog', 'spider', 'fish'])
5>>> df
6        num_legs  num_wings  num_specimen_seen
7falcon         2          2                 10
8dog            4          0                  2
9spider         8          0                  1
10fish           0          0                  8
11

1>>> import pandas as pd
2>>> sentence = 'The quick brown fox jumps over a lazy dog.'
3>>> words = sentence.split(' ')
4>>> df1 = pd.DataFrame({'key': range(len(words)),
5...                     'column1_Words': words,
6...                     'column2_Length': [len(x) for x in words]
7...                     })
8>>> df1
9   key column1_Words  column2_Length
100    0           The               3
111    1         quick               5
122    2         brown               5
133    3           fox               3
144    4         jumps               5
155    5          over               4
166    6             a               1
177    7          lazy               4
188    8          dog.               4
19>>>