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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def starts_expanded(name):
 """Return True if directory is a parent of initial cwd."""


    if name is '/':
        return True

    l = name.split(dir_sep())
    if len(l) > len(_initial_cwd):
        return False

    if l != _initial_cwd[:len(l)]:
        return False

    return True