''''练习'''
name='s.txt'
with open(name,'r+') as fiel_object:
#     fiel_name=fiel_object.read()
# print(fiel_name)
# # pi_name=[]
# # for lin in fiel_name:
# #     pi_name+=lin
# #     print(pi_name)
# with open(name)as f:
#     f_n=f.readline()
#     for n in f_n:
#         print(n.rstrip())
# print('CS额人：',f_n)
# for cs in f_n:
#     # print(cs.rstrip())
#     print(cs.replace('d','ooo'))
#写入文件
    # fiel_object.write('后撒胡我大号花防晒珚11547')#写入文件
    # name=fiel_object.read()
    # print(name)
    str(fiel_object.write('79856466226352'))#写入数字