Python程序设计基础习题复习资料与分析(4)

print('You must input an integer.')

2）Python 2.7.8代码：

import types

x = input('Please input an integer of more than 3 digits:')

if type(x) != types.IntType:

print 'You must input an integer.'

elif len(str(x)) != 4:

print 'You must input an integer of more than 3 digits.' else:

print x//100