如何将 Pandas 中的数字列转换为带有逗号分隔符的字符串?

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时间:2020-09-14 02:25:46  来源:igfitidea点击:

How to convert a numeric column in pandas to a string with comma separators?

pythonpandasformattingseries

提问by Want to try everything

I want to convert a column that has values like 1234567.89 to 1,234,567.89. Can someone help me with this.

我想将具有 1234567.89 之类的值的列转换为 1,234,567.89。有人可以帮我弄这个吗。

回答by Diego Mora Cespedes

You can format your column by doing this:

您可以通过执行以下操作来格式化您的列:

df['new_column_name'] = df['column_name'].map('{:,.2f}'.format)

But keep in mind that the new column will contain strings, not floats.

但请记住,新列将包含字符串,而不是浮点数。