text: # ###############################################################################
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  #  Unless required by applicable law or agreed to in writing, software
  #  distributed under the License is distributed on an "AS IS" BASIS,
  #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  #  See the License for the specific language governing permissions and
  #  limitations under the License.
  ################################################################################
  from flink.plan.Environment import get_environment
  import sys
  from utils import Verify
  
  if __name__ == "__main__":
      env = get_environment()
  
      d1 = env.from_elements(len(sys.argv))
  
      d1.map_partition(Verify([3], "MultipleArguments")).output()
  
      #Execution
      env.set_parallelism(1)
  
      env.execute(local=True)
  