截取字符串的一部分,并转化为数字:
df['year']=pd.to_numeric('20'+df['sec_name'].str.slice(2,4))
df['month']=pd.to_numeric(df['sec_name'].str.slice(4,6))
截取字符串的一部分,并转化为数字:
df['year']=pd.to_numeric('20'+df['sec_name'].str.slice(2,4))
df['month']=pd.to_numeric(df['sec_name'].str.slice(4,6))