def get_user(UserName=None):
    """
    Retrieves information about the specified IAM user, including the user's creation date, path, unique ID, and ARN.
    If you do not specify a user name, IAM determines the user name implicitly based on the AWS access key ID used to sign the request to this API.
    See also: AWS API Documentation
    
    Examples
    The following command gets information about the IAM user named Bob.
    Expected Output:
    
    :example: response = client.get_user(
        UserName='string'
    )
    
    
    :type UserName: string
    :param UserName: The name of the user to get information about.
            This parameter is optional. If it is not included, it defaults to the user making the request. This parameter allows (per its regex pattern ) a string of characters consisting of upper and lowercase alphanumeric characters with no spaces. You can also include any of the following characters: =,.@-
            

    :rtype: dict
    :return: {
        'User': {
            'Path': 'string',
            'UserName': 'string',
            'UserId': 'string',
            'Arn': 'string',
            'CreateDate': datetime(2015, 1, 1),
            'PasswordLastUsed': datetime(2015, 1, 1)
        }
    }
    
    
    """
    pass
