将int值更改为.00格式 [英] Change int value to .00 format

问题描述

我有一个数据框-

   year  month             type   amount
0  2019  9          Not Applicable    8000.00       
1  2019  10         Not Applicable    7500.00       
2  2019  11         Goods & Services  14000.35      
3  2019  11         Not Applicable    7500.00       
4  2019  12         Goods & Services  10499.00      
5  2019  12         Not Applicable    9801.00   

我的列数已满，但我想转换另一个此格式的列月份-

I have column amount fully round of but I want to convert another column month to this format like this -

   year  month             type   amount
0  2019  9.00          Not Applicable    8000.00       
1  2019  10.00         Not Applicable    7500.00       
2  2019  11.00         Goods & Services  14000.35      
3  2019  11.00         Not Applicable    7500.00       
4  2019  12.00         Goods & Services  10499.00      
5  2019  12.00         Not Applicable    9801.00   

我如何实现这一目标。

推荐答案

df.month = df.month.astype(float)

或

df['month'] = df['month'].astype(float)

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