Dear group,

unfortunately my previous post got tagged as
'homework' mail and got no responses. 

In short, I have a dictionary structure as depicted
below. 

I want to go over every key and print the key,value
pairs in a more sensible way. 

I have written a small piece of code. May I request
tutors to go through it and comment if it is correct
or prone to bugs. 

Thank you. 
kum

>>>md = {(21597133, 21597325): [['NM_032457']], 
(21399193, 21399334): [['NM_032456'], ['NM_002589']], 
(21397395, 21399192): [['NM_032457'], ['NM_032456'],
['NM_002589']], 
(21407733, 21408196): [['NM_002589']], 
(21401577, 21402315): [['NM_032456']], 
(21819453, 21820111): [['NM_032457']], 
(21399335, 21401576): [['NM_032457'], ['NM_032456'],
['NM_002589']]}

>>> for item in md.keys():
        mlst = []
        for frnd in md[item]:
                for srnd in frnd:
                        mlst.append(srnd)
        mystr = ','.join(mlst)
        print(('%d\t%d\t%s')%(item[0],item[1],mystr))

        
21597133        21597325        NM_032457
21399193        21399334        NM_032456,NM_002589
21397395        21399192        NM_032457,NM_032456,NM_002589
21407733        21408196        NM_002589
21401577        21402315        NM_032456
21819453        21820111        NM_032457
21399335        21401576        NM_032457,NM_032456,NM_002589


      
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