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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 CirrusIamUserReady(iam_aws_id, iam_aws_secret):
 """ Returns true if provided IAM credentials are ready to use. """

  is_ready = False
  try:
    s3 = core.CreateTestedS3Connection(iam_aws_id, iam_aws_secret)
    if s3:
      if core.CirrusAccessIdMetadata(s3, iam_aws_id).IsInitialized():
        is_ready = True            
  except boto.exception.BotoServerError as e:
    print e 
    
  return is_ready