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Python Printing Dictionary Key and Value side by side

I want a program that prints Key and Value side by side for the following code:

This is a Dictionary:

d = {'M': ['Name1', 'Name2', 'Name3'], 'F': ['Name1','Name2','Name3']}

I want the a program that prints in the following form:

M, Name1
M, Name2
M, Name3
F, Name1
F, Name2
F, Name3     
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d = {'M': ['Name1', 'Name2', 'Name3'], 'F': ['Name1','Name2','Name3']} 

for key in d.keys():
    for value in d[key]:
        print key,value

edit:

A more elegant solution may be:

for key,value in d.iteritems():
    print key,value

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