贴问题 nums = range(5)#range is a built-in function that creates a list of integers print(nums)#prints "[0,1,2,3,4]" print(nums[2:4])#Get a slice from index 2 to 4 (exclusive); prints '[2,3]" print(nums[2:])#Get a slice from index 2 to the end…
今天写了个测试的代码,结果在执行test_register.py文件在调用readexcle.py的时候一直报错TypeError: 'ExcelData' object is not iterable,最后发现是test_register.py模块调用readexcle.py模块时,忘记调用方法了,导致返回值有误,折腾了半天,是个教训. 下面是readexcle.py模块(读取excle内的数据并返回读取到的数据): import xlrd class ExcelData(): def __i…