import json
num = 5
res = {}
for i in range(num):
res[i] = 'hui'
jsnon = json.dumps(res, indent= 4, separators=(',', ': '))
print(jsnon)
aW1wb3J0IGpzb24KCm51bSA9IDUKcmVzID0ge30KZm9yIGkgaW4gcmFuZ2UobnVtKToKCXJlc1tpXSA9ICdodWknCmpzbm9uID0ganNvbi5kdW1wcyhyZXMsIGluZGVudD0gNCwgc2VwYXJhdG9ycz0oJywnLCAnOiAnKSkKcHJpbnQoanNub24pCgkKCQ==