f = open("zhou.txt","a") #文件内存对象 a = append
Data = f.write("\nfuck you!你大爷\n")
print(Data)
f.close()
>>>>>>>
#f = open("zhou.txt","r") #读到第14行
#for i in range(14):
# print(f.readline())
>>>>>>>
f = open("zhou.txt","r") #第7行加分割线
#for index,line in enumerate (f.readlines()):
# if index ==7:
# print('--------')
# print(line.strip()) #取消空行
>>>>>>>
count = 0
for line in f:
if count == 7:
print("-------")
count +=1
print(line)
count += 1
f.close()
>>>>>>
f = open("zhou.txt","r+") #读写 写在最后
print(f.readline())
print(f.readline())
f.write("------GIS------")
print(f.readline())
f.close()
f = open("zhou.txt","w+") #写读 创建新文件
f = open("zhou.txt","a+") #追加读写
f = open("zhou.txt","rb") #二进制文件 网络传输
#把zhou的内容写在zMing中并替换内容
f = open("zhou.txt","r",)
f_new = open("zMing.txt","w")
for line in f:
if "东南亚辐射中心" in line:
line = line.replace("东南亚辐射中心","东南亚，南亚辐射中心")
f_new.write(line)
f.close()
f_new.close()
f = open("zhou.txt","r",)
..... >>>>>with open("zhou.txt","r") as f:
f.close()
f = open("zhou.txt","r",)
f_new = open("zMing.txt","w") >>>>免关闭>>>> = with open("zhou.txt","r") as f,\
open("zMing.txt","w") as f_new:
