Lambda and Functional Tools - General Questions

What is the output of the following code?

square = lambda x: x * x
print(square(6))

What is the output of the following code?

print(list(map(lambda x: x + 1, [1, 2, 3])))

What is the output of the following code?

sq = lambda x: x * x
print(sq(9))

What is the output of the following code?

from functools import lru_cache
@lru_cache
def fib(n):
    return n if n < 2 else fib(n - 1) + fib(n - 2)
print(fib(30))

What is the output of the following code?

print(list(map(str.upper, ['a', 'b'])))