Functions - General Questions

What is the output of the following code?

def f():
    pass
print(f())

What is the output of the following code?

def greet(name: str) -> str:
    return 'Hi ' + name
print(greet.__annotations__['return'].__name__)

What is the output of the following code?

def outer():
    count = 0
    def inner():
        nonlocal count
        count += 1
        return count
    return inner
c = outer()
c()
print(c())

What is the output of the following code?

def info(**kw):
    return sorted(kw)
print(info(b=1, a=2))