human
Complete this python program:
def file_upload_echo_content(request):
assistant
#Here is the Python program you requested.

    """Simple view to echo back the content of uploaded files for tests.
    """
    def read_and_close(f):
        with f:
            return f.read().decode()
    r = {k: read_and_close(f) for (k, f) in request.FILES.items()}
    return JsonResponse(r)