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python 成绩处理#成绩分段处理
import pandas as pd
import os
file = os.listdir('c:\\t\\')
da = pd.DataFrame()
for name in file:
listbins= [i for i in range(350,650,10)]
df = pd.read_excel('c:\\t\\'+str(name),skiprows=1,usecols=[2,3,4,9,11,13,15])
xm = list(set(df.学