python学习（六）

# f = open('log', mode="r", encoding="utf-8")
# count = f.read()
# print(count)
# f = open('log', mode='r', encoding='utf-8')
# count = f.read()
# f.write('sdfsdflkds;lfkl')
# f.close()
#
# f = open('log', mode='rb')
# print(f.read())
# f.close()
# f = open('log',mode='r+',encoding='utf-8')
# print(f.read())
# f.write('ccxxddxx')
# f.close()
# f = open('log1', mode='w+')
# f.write('3393')
# f.close()
#
# f = open('log1', mode='a')   追加
# f.write('dfjkdsjdfk')
# f.close()

# f = open('log', mode='r+', encoding='utf-8')
# print(f.read(3))
# f.seek(3)
# print(f.read(3))
# print(f.tell())
# print(f.readable())
# print(f.readline())
# print(f.readlines()[2])
with open('log', mode='r+', encoding='utf-8') as f:
    print(f.read())
f.close()