Which of the following is invalid?Options_c = 1__cod__ = 1none of the mentioned__c = 1
Question
Which of the following is invalid?Options_c = 1__cod__ = 1none of the mentioned__c = 1
Solution
The invalid option is "none of the mentioned". In Python, variable names cannot contain spaces or start with a number. They can only contain alphanumeric characters and underscores, and they cannot be reserved words. "none of the mentioned" contains spaces, which makes it invalid. The other options, "Options_c", "cod", and "__c" are all valid variable names in Python.
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