檔案讀取、寫入

print("\n","="*10,"螞蟻莊園動态","="*10)
file = open('message.txt','w',encoding='utf-8')
print("\n 即将寫入.....\n")
file.write("十八歲讓人向往，卻不夠成熟，二十歲是憂愁的開始，願你永遠十九歲！")
file.close()
file = open('message.txt','r',encoding='utf-8')
number = 0
while True:
    number += 1
    string = file.read()
    if string == '':
        break
    print(number,"、",string,end='\n')
print(string)
           

import  os
# path ="G:\\pycharm"
# print("【",path,"】目錄下包括的檔案和目錄：")
# for root ,dirs ,files in os.walk(path, topdown=True):
#     for name in dirs:
#         print("!",os.path.join(root,name))
#     for name in files:
#         print("!!",os.path.join(root,name))
src = "C:\\demo\\test\\mrsoft.txt"
dst = "C:\\demo\\test\\mr.txt"
if os.path.exists(src):
    os.rename(src, dst)
    print("檔案已經重命名")
else:
    print("檔案不存在")