擅长:python、mysql、java
<p>您可以使用<a href="https://numpy.org/doc/stable/reference/generated/numpy.tile.html" rel="nofollow noreferrer">^{<cd1>}</a>:</p>
<pre><code>In [507]: import numpy as np
In [508]: list_int = [1,2,3]
In [510]: df['New'] = np.tile(list_int, len(df)//len(list_int) + 1)[:len(df)]
In [511]: df
Out[511]:
StoreNumber Year New
0 1000 2000 1
1 1000 2001 2
2 1000 2002 3
3 1001 2000 1
4 1001 2001 2
5 1001 2002 3
</code></pre>