擅长:python、mysql、java
<p>在<code>merge</code>内不需要<code>right_index</code></p>
<pre><code>df1.merge(df2,left_on='Loan_ID',right_on='Loan_ID2')
Out[54]:
Loan_ID Gender Loan_ID2 LoanAmount
0 LP001003 Male LP001003 128.0
1 LP001005 Male LP001005 66.0
2 LP001006 Male LP001006 120.0
3 LP001008 Male LP001008 141.0
4 LP001011 Male LP001011 267.0
</code></pre>