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Python Programming - Lambda Functions - Discussion

Discussion Forum : Lambda Functions - General Questions (Q.No. 66)
Lambda Functions
66.
What does the following lambda function do? 
lambda x: x.lower() if isinstance(x, str) else None
Converts a string to lowercase and returns None for non-string values.
Converts a string to uppercase and returns None for non-string values.
Capitalizes the first letter of a string and returns None for non-string values.
Returns the length of a string and None for non-string values.
Answer: Option
Explanation:
The lambda function converts a string to lowercase and returns None for non-string values.
Discussion:
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