How to use the stepfunctions.inputs.ExecutionInput function in stepfunctions

def test_workflow_input_placeholder():

    workflow_input = ExecutionInput()
    test_step = Pass(
        state_id='StateOne', 
        parameters={
            'ParamA': 'SampleValueA',
            'ParamB': workflow_input,
            'ParamC': workflow_input['Key01'],
            'ParamD': workflow_input['Key02']['Key03'],
            'ParamE': workflow_input['Key01']['Key03'],
        }
    )

    expected_repr = {
        "Type": "Pass",
        "Parameters": {
            "ParamA": "SampleValueA",
            "ParamB.$": "$$.Execution.Input",

def test_workflow_with_placeholders():
    workflow_input = ExecutionInput()

    test_step_01 = Pass(
        state_id='StateOne',
        parameters={
            'ParamA': workflow_input['Key02']['Key03'],
            'ParamD': workflow_input['Key01']['Key03'],
        }
    )

    test_step_02 = Pass(
        state_id='StateTwo',
        parameters={
            'ParamC': workflow_input["Key05"],
            "ParamB": "SampleValueB",
            "ParamE": test_step_01.output()["Response"]["Key04"]
        }

def test_parallel_state_with_placeholders():
    workflow_input = ExecutionInput()

    parallel_state = Parallel('ParallelState01')
    
    branch_A = Pass(
        'Branch_A',
        parameters={
            'ParamA': parallel_state.output()['A']["B"],
            'ParamB': workflow_input["Key01"]
    })

    branch_B = Pass(
        'Branch_B',
        parameters={
            'ParamA': "TestValue",
            'ParamB': parallel_state.output()["Response"]["Key"]["State"]
    })

def test_step_input_order_validation():
    workflow_input = ExecutionInput()

    test_step_01 = Pass(
        state_id='StateOne',
        parameters={
            'ParamA': workflow_input['Key02']['Key03'],
            'ParamD': workflow_input['Key01']['Key03'],
        }
    )

    test_step_02 = Pass(
        state_id='StateTwo',
        parameters={
            'ParamC': workflow_input["Key05"],
            "ParamB": "SampleValueB",
            "ParamE": test_step_01.output()["Response"]["Key04"]
        }

def test_map_state_with_placeholders():
    workflow_input = ExecutionInput()

    map_state = Map('MapState01')
    iterator_state = Pass(
        'TrainIterator',
        parameters={
            'ParamA': map_state.output()['X']["Y"],
            'ParamB': workflow_input["Key01"]["Key02"]["Key03"]
    })

    map_state.attach_iterator(iterator_state)
    workflow_definition = Chain([map_state])

    expected_repr = {
        "StartAt": "MapState01",
        "States": {
            "MapState01": {

def workflow(client):
    execution_input = ExecutionInput()

    test_step_01 = Pass(
        state_id='StateOne',
        parameters={
            'ParamA': execution_input['Key02']['Key03'],
            'ParamD': execution_input['Key01']['Key03'],
        }
    )

    test_step_02 = Pass(
        state_id='StateTwo',
        parameters={
            'ParamC': execution_input["Key05"],
            "ParamB": "SampleValueB",
            "ParamE": test_step_01.output()["Response"]["Key04"]
        }