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

