[英]How to sum price of human readable currency format?
使用sum
将值转换为浮点数,最后通过si_format
库添加前缀:
#pip install si_format
from si_prefix import si_format
#https://stackoverflow.com/a/39684629/2901002
out = ((df.price.replace(r'[KM]+$', '', regex=True).astype(float) *
df.price.str.extract(r'[\d\.]+([KM]+)', expand=False)
.fillna(1)
.replace(['K','M'], [10**3, 10**6]).astype(int)).sum())
df['sum'] = si_format(out, precision=1).upper()
print (df)
price sum
0 809.989K 2.6 M
1 1.792M 2.6 M
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