Python 文件操作

string = '''Programming is fun
when the work is done
if you wanna make your work also fun:
  use Python
'''

f = open('string.text','w')
f.write(string)
f.close()

f = open('string.text','r')
while True:
    line = f.readline()
    if len(line) == 0:
        break
    print(line,end='')

f.close()