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def f(book):
a = book.rsplit(':', 1)
if a[0].split(' ')[-1] == a[1].split(' ')[0]:
return f(' '.join(a[0].split(' ')[:-1]) + ' ' + a[1])
return book
assert f("udhv zcvi nhtnfyd :erwuyawa pun") == 'udhv zcvi nhtnfyd :erwuyawa pun'
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CRUXEval-I
assert f(??) == 'udhv zcvi nhtnfyd :erwuyawa pun'
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CRUXEval-O
assert f("udhv zcvi nhtnfyd :erwuyawa pun") == ??
|