You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
def find_first_occurrence(test_string, target_string): 
    # Search for the first occurrence of target_string 
    # within the test_string
    return test_string.find(target_string) 
  
# Driver code 
test_string = "This is just a sample string to test out search within a string program"
target_string = "Within"

# print the first occurrence of target_string within test_string 
print(find_first_occurrence(test_string, target_string)) 


user
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assistant