擅长:python、mysql、java
<p>您需要将输出分配给<code>DataFrame</code>,然后由<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.to_csv.html" rel="nofollow noreferrer">^{<cd2>}</a>写入文件:</p>
<pre><code>l = "Performance"
k = "LTFU"
#changed input to 2 scalar values
def test(l1,k1):
#changed a to list [l1, k1]
#changed b to list [x, y]
return pd.DataFrame({'a':[l1, k1], 'b':[x, y]})
df1 = test(l,k)
print (df1)
a b
0 Performance 1300.000000
1 LTFU 14.130435
df1.to_csv('file.csv', index=False, header=None, sep=' ')
</code></pre>