import os
cmd1 = 'ls *fits >fit.dat'
os.system(cmd1)
alist =  [line.rstrip() for line in open('fit.dat')]
for i in alist:
    print(i)
    f = i+'.zip'
    print(f)
    if os.path.exists(f):
        cmd2 = 'sudo rm '+i
        os.system(cmd2)
        print('delet...',i)
    else:
        continue