def asarray(a, dtype=None, order=None):
    """Convert the input to an array...
    """
    return array(a, dtype, copy=False, order=order)

In [10]: t = np.arange(10)

In [11]: p = pd.DataFrame(t)

In [12]: t
Out[12]: array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])

In [13]: p
Out[13]:
   0
0  0
1  1
2  2
3  3
4  4
5  5
6  6
7  7
8  8
9  9

In [14]: t[:3] = 4

In [15]: t
Out[15]: array([4, 4, 4, 3, 4, 5, 6, 7, 8, 9])

In [16]: p
Out[16]:
   0
0  4
1  4
2  4
3  3
4  4
5  5
6  6
7  7
8  8
9  9