Write a program to create a Series object from an ndarray that stores characters from 'a' to 'g'.
import pandas as pd
import numpy as np
data = np.array(['a', 'b', 'c', 'd', 'e', 'f', 'g'])
S = pd.Series(data)
print(S)
0 a
1 b
2 c
3 d
4 e
5 f
6 g
dtype: object