Functions - General Questions

What is the output of the following code?

x = 10
def f():
    global x
    x = 5
f()
print(x)

What is a docstring?

What is the output of the following code?

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

What is the output of the following code?

def fact(n):
    return 1 if n <= 1 else n * fact(n - 1)
print(fact(5))

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())