Python程序中向文件写入和读取JSON数据的空格处应填入的json模块方法是？
import json
import csv
fam = {'name':'xiaoming','age':18,'gender':'nan'}
with open('family.csv','w') as f:
json. (fam,f)
with open('family.csv','r') as f1:
read1 = json. (f1)
print(read1)
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