来看看python初学者的题吧～

alist = [('2019001','刘一','78'),('2019002','陈二','53'),('2019003','张三','92')]
with open('D:\\score.txt','w') as f:
    for a in alist:
        f.write(a[0]+'\t'+a[1]+'\t'+a[2]+'\n')