TypeError: 'str' object cannot be interpreted as an integer

python3 ，pycharm中运行

page = input('please enter the page: ')

for i in range(0, page):

报错

TypeError: ‘str’ object cannot be interpreted as an integer

input读取的类型是str（字符串），需要转换成int类型

page = int(input('please enter the page: '))

for i in range(0, page):