题解 | 遍历字典

#咱也不知道是不是这样
import sys

operators_dict = {'<':'less than','==':'equal'}
print('Here is the original dict:')

temp = [print('Operator {} means {}.'.format(i,operators_dict[i])) for i in sorted(operators_dict)]

operators_dict['>']='greater than'
print()
print('The dict was changed to:')

temp2 = [print('Operator {} means {}.'.format(i,operators_dict[i])) for i in sorted(operators_dict)]