Python · all questions

Formatting and Decorators
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Q1

Which function is used to format strings in Python?

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Q2

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

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Q3

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

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Q4

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

print("%5.2f"%x)

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Q5

The expression shown below results in an error.

print("-%5d0",989)

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Q6

In Python, what does the expression {:.2e} do in a formatted string?

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Q7

What is the purpose of the @wraps decorator in Python's functools module?

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Q8

What will be the output of the following Python code?

s='{0}, {1}, and {2}'
s.format('hello', 'good', 'morning')

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Q9

What will be the output of the following Python code?

'%x %d' %(255, 255)

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Q10

What will be the output of the following Python code?

class A:
    @staticmethod
    def a(x):
        print(x)
A.a(100)

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Q11

What is the primary use of the @staticmethod decorator?

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Q12

What will be the output of the following Python code?

def f(x):
    def f1(a, b):
        print("hello")
        if b==0:
            print("NO")
            return
        return f(a, b)
    return f1
@f
def f(a, b):
    return a%b
f(4,0)

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Q13

In Python, what is the purpose of the @classmethod decorator?

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Q14

The following python code can work with . . . . . . . . parameters.

def f(x):
    def f1(*args, **kwargs):
           print("Examveda")
           return x(*args, **kwargs)
    return f1

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Q15

What will be the output of the following two codes?

i. '{0}'.format(4.56)
ii. '{0}'.format([4.56,])

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Q16

In Python, what is the purpose of the locals() function?

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Q17

What will be the output of the following Python expression if X=345?

print(“%06d”%X)

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Q18

What will be the output of the following Python code?

l=list('HELLO')
p=l[0], l[-1], l[1:3]
'a={0}, b={1}, c={2}'.format(*p)

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Q19

What will be the output of the following Python code?

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

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Q20

What will be the output of the following Python code snippet?

x=3.3456789
'%s' %x, str(x)

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