【遍历csv文件统计各列数目并输出单个文件】

   # print(a.groupby(['H_F_MDS_QC']).count())
import os
import numpy as np
import pandas as pd

# import pandas as pd
# c1= [1,1,1,1]
# c2 = [2,2,2,2]
# c3= [3,3,3,3]
# #use pandas
# #write date by using the form of dict
# df= pd.DataFrame({'column1':c1,'column2':c2,'column3':c3})
# df.to_csv("test1.csv",index=False)


def solecol_count