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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 validate(payload, schema):
 """Validate `payload` against `schema`, returning an error list. jsonschema provides lots of information in it's errors, but it can be a bit of work to extract all the information. """

    v = jsonschema.Draft4Validator(
        schema, format_checker=jsonschema.FormatChecker())
    error_list = []
    for error in v.iter_errors(payload):
        message = error.message
        location = '/' + '/'.join([str(c) for c in error.absolute_path])
        error_list.append(message + ' at ' + location)
    return error_list