python-3.x - 如何检查一个值是否在熊猫的同一列中多次出现？

Question

import numpy as np 
import pandas as pd

for i and x in df1.total_amount:
if i in df1['total_amount'] == x in df1['total_amount']:
    print( str(i) + " is repeating")

这不会返回所需的结果。

标签： python-3.xpandasnumpy