# Example of optimizing performance in Python while ensuring security
def secure_func(data):
if isinstance(data, str): # Security check
sanitized_data = data.replace("'", "''") # Basic sanitization
return optimized_logic(sanitized_data) # Call the optimized logic
return None # Return None for invalid data
def optimized_logic(sanitized_data):
# Perform some optimized operations on sanitized data
result = [x for x in range(10) if str(x) in sanitized_data]
return result
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