在循环中更改OrderedDict中的键名会导致RuntimeError: OrderedDict在迭代过程中发生突变

from collections import OrderedDict

original_dict = OrderedDict([('key1', 'value1'), ('key2', 'value2')])
new_dict = OrderedDict(original_dict)

for key in original_dict:
    new_key = key + '_new'
    new_dict[new_key] = new_dict.pop(key)

print(new_dict)

from collections import OrderedDict

original_dict = OrderedDict([('key1', 'value1'), ('key2', 'value2')])
keys_to_modify = []

for key in original_dict:
    keys_to_modify.append(key)

for key in keys_to_modify:
    new_key = key + '_new'
    original_dict[new_key] = original_dict.pop(key)

print(original_dict)