编辑代码

f=open('data.txt','r',encoding='gbk')
ls=[]
a=f.readlines()
for i in range(len(a)):
    if i%4 in[0,1]:
        ls.append(a[i])
    elif i%4==3:
        b=list(a[i])
        b[]=*
        c=''.join(b)
        ls.append(c)
    else:
        b=list(a[i])
        b[]=*
        c=''.join(b)
        ls.append(c)
for line in ls:
    print(line)
f.close()