如何从字符串中删除十进制后的零

如果想转换整形和浮点数字为字符串没有尾随

0

map

apply

df = pd.Dataframe({'col1':[1.00, 1, 0.5, 1.50]})df['new'] = df['col1'].map('{0:g}'.format)#alternative solution#df['new'] = df['col1'].apply('{0:g}'.format)print (df)   col1  new0   1.0    11   1.0    12   0.5  0.53   1.5  1.5print (df['new'].apply(type))0    <class 'str'>1    <class 'str'>2    <class 'str'>3    <class 'str'>Name: new, dtype: object