Getting {"errorMessage": "'httpMethod'", "errorType": "KeyError"

Using Lambda function to Get and post request. While testing it gives error
{"errorMessage": "’httpMethod’", "errorType": "KeyError", "requestId": "435e6811-acc5-4bc7-b009-377bc6178bb8", "stackTrace": [" File "/var/task/lambda_function.py", line 11, in lambda_handlern if event[‘httpMethod’] == ‘GET’:n"]} :

dynamodb = boto3.resource('dynamodb')
table = dynamodb.Table('ApigatewayDynamo')

def lambda_handler(event, context):
    print("event", event)

    if event['httpMethod'] == 'GET':
        name = event['queryStringParameters']['name']
        response = table.get_item(Key={'name': name})
        print(response)
        print(response['Item'])
        
        return {
            'statusCode': 200,
            'body': json.dumps(response['Item'])
        }
        
    if event['httpMethod'] == 'POST':
        body = json.loads(event['body'])
        print('body', body)
        name = body.get('name')
        print('Name is ', name)
        if name is None:
            return {
                'statusCode': 400,
                'body': json.dumps("Check the payload/ method")
           }
        table.put_item(Item=body)
        return {
            'statusCode': 200,
            'body': json.dumps("Name added successfully")
               }

        return {
            'statusCode': 400,
            'body': json.dumps("Check the payload/ method/ Lambda function")
            }

The Dynamo db table has name as primary key and the json testing data is

{
    "name": "Kaira",
    "Phone Number": 98777
}

What is to be done to resolve this?

I am trying to insert the data from post method and get the data from Get method.