Write a function to convert a name into initials. This kata strictly takes two words with one space in between them.
The output should be two capital letters with a dot separating them.

`Sam Harris` => `S.H`

`patrick feeney` => `P.F`
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def abbrev_name(name):
    name = name.upper().split()
    return name[0][0] + "." + name[1][0]
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def abbrevName(name):
    return '.'.join(w[0] for w in name.split()).upper()
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def abbrevName(name):
    first, last = name.upper().split(' ')
    return first[0] + '.' + last[0]
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