题解 | #遍历字典#
遍历字典
https://www.nowcoder.com/practice/0315639767824323a2cdb9ee3f998314
import sys d = {'<': 'less than', '==': 'equal'} print('Here is the original dict:') for i in sorted(d.keys()): print('Operator {} means {}.'.format(i, d[i])) d['>'] = 'greater than' print() print('The dict was changed to:') for i in sorted(d.keys()): print('Operator {} means {}.'.format(i, d[i]))