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1. What does it mean Programming Abstractions? 2. What is the big O time complexity of the following code? (n is the input size)

1. What does it mean Programming Abstractions? 2. What is the big O time complexity of the following code? (n is the input size) for i in range (n): for j in range (n): print(n) 3. Which is anagram method performs the best? What is its time complexity in the big O notation? Which is_anagram method performs the worst? What is its time complexity in the big O notation?

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