In the following Python code, which function is the decorator?

def mk(x):
    def mk1():
        print("Decorated")
        x()
    return mk1
def mk2():
    print("Ordinary")
p = mk(mk2)
p()

Which function is used to format strings in Python?

A. format()

B. stringify()

C. format_string()

D. str_format()

In Python, what does the % operator do when used for string formatting?

A. Substitutes variables

B. Raises an error

C. Performs division

D. Calculates exponentiation

Which of the following is an f-string in Python?

A. f"Hello {name}"

B. "Hello {}".format(name)"

C. "Hello %s" % name

D. format("Hello {}", name)

What will be the output of the following Python expression if x=22.19?

print("%5.2f"%x)

A. 22.1900

B. 22.00000

C. 22.19

D. 22.20