擅长:python、mysql、java
<pre><code>df=pd.DataFrame({"W":[1,2,3,4,5]})
df*=1000
print(df)
W
0 1000
1 2000
2 3000
3 4000
4 5000
</code></pre>
<p>或者</p>
<pre><code>df=pd.DataFrame({"W":[1,2,3,4,5]})
df.loc[:,"W"]=df.loc[:,"W"]*1000
print(df)
W
0 1000
1 2000
2 3000
3 4000
4 5000
</code></pre>
<p>如果您有多列并且只想将某些列的值相乘</p>