import urllib.request,json,sys
from pathlib import Path
results=[]
for i in range(5):
    req=urllib.request.Request('http://127.0.0.1:18420/__evidence23820', method='POST')
    results.append(json.load(urllib.request.urlopen(req)))
Path(sys.argv[1]).write_text(json.dumps(results,indent=2)+'\n')
print(json.dumps([{'selected':r['selected'],'omitted':r['omitted'],'prepareMs':r['prepareMs']} for r in results]))