题解 | 遍历字典

from ast import operator
operators_dict = {'<':'less than','==':'equal'}
print('Here is the original dict:')
sorted(operators_dict)
for i in operators_dict:
    print(f"Operator {i} means {operators_dict[i]}.")
operators_dict['>'] = 'greater than'
print("\nThe dict was changed to:")
for i in operators_dict:
    sorted(operators_dict)
    print(f"Operator {i} means {operators_dict[i]}.")