file文件

1 f=open("singer","r")
2 datatemp=data.splitlines()
3 print(datatemp)
4 print(datatemp[0:5])
5 for i in data.splitlines()[0:5]:
6     print(i)

1 f=open("singer","r")
2 for i in range(100):
3     print(f.readline())

f=open("singer","r")
for line in f.readlines()[0:9]:
   print(line.strip())

f=open("singer","r")
count=0
for line in f:
    count += 1
    if count==10 :
        print("分隔符=======")
        continue
    print(line.strip())