[Tutor] a quick Q: how to use for loop to read a series of files with .doc end

[lina]

Another minor derived questions:

        summary=[]
        for a,b in zip(results['E'],results['B']):
            summary.append(a+b)    ## now the summary is '[0,1, 3, 5,
6,0,0,0]'
        del summary[0]   ## here I wanna remove the first zero, which came
from the initial double quote "EB...E",
        summary.pop()    ## here I wanna remove the last three zeros
        summary.pop()
        summary.pop()
        print(summary)   ### output is [1,3,5,6]
        summary='\n'.join(str(summary).split(','))  ### wish the result in
one column,
        with open(base+OUTFILEEXT,"w") as f:
            f.write(str(summary))

the final result in the output.txt file is:
[1
3
5
6]

Q1: how can I remove the [1 "[" to only keep 1?

Q2 how can I improve above expressions?

Thanks,
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