您可以通过执行以下操作来检查字典中是否存在密钥
if 'File Size' not in data_current:
>>> data = {"File Size": 200} # Dictionary of one value with key "File Size"
>>> "File Size" in data # Check if key "File Size" exists in dictionary
True
>>> "File Name" in data # Check if key "File Name" exists in dictionary
False
>>>
