解决将列表中各字典的值取出，换行显示

 f_csv.writerows([ cls[i].values() ])

代码如下：

import csv

cls =[{"1":"zhangsan","2":"lisi","3":"wangwu"},{"4":"zhaosi","5":"qianwu","6":"sunliu"}]
with open("test.csv","w",newline='') as f:
    f_csv = csv.writer(f)
    for i in range(2):
        f_csv.writerows([cls[i].values()])

效果如下：