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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 maybe_details(resource, opt):
 """At the first level of verbosity this will print out detailed change information on for the specified Vault resource"""


    if opt.verbose == 0:
        return

    if not resource.present:
        return

    obj = None
    existing = None
    if isinstance(resource, Resource):
        obj = resource.obj()
        existing = resource.existing
    elif isinstance(resource, VaultBackend):
        obj = resource.config
        existing = resource.existing

    if not obj:
        return

    if is_unicode(existing) and is_unicode(obj):
        a_diff = difflib.unified_diff(existing.splitlines(),
                                      obj.splitlines(),
                                      lineterm='')
        for line in a_diff:
            if line.startswith('+++') or line.startswith('---'):
                continue
            if line[0] == '+':
                print(maybe_colored("++ %s" % line[1:], 'green', opt))
            elif line[0] == '-':
                print(maybe_colored("-- %s" % line[1:], 'red', opt))
            else:
                print(line)
    elif isinstance(existing, dict):
        ignore_missing = isinstance(resource, VaultBackend)
        details_dict(obj, existing, ignore_missing, opt)