Python · all questions

Functions in Python
practice.

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182

Questions

2/10

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Q21

What will be the output of the following Python code?

x = [34, 56]
print((''.join(list(map(str, x))),))

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Q22

What will be the output of the following Python code?

x = [[0], [1]]
print(len(' '.join(list(map(str, x)))))

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Q23

What will be the output of the following Python code?

x = ['ab', 'cd']
print(len(list(map(list, x))))))

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Q24

What will be the output of the following Python code?

l1=[1, 2, 3, [4]]
l2=list(l1)
id(l1)==id(l2)

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Q25

What will be the output of the following Python code?

def display(b, n):
    while n > 0:
        print(b,end="")
        n=n-1
display('z',3)

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Q26

What will be the output of the following Python code?

def foo(fname, val):
    print(fname(val))
foo(max, [1, 2, 3])
foo(min, [1, 2, 3])

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Q27

What will be the output of the following Python code?

def cube(x):
    return x * x * x      
x = cube(3)    
print x

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Q28

What is the purpose of a docstring in a function?

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Q29

What will be the output of the following Python code?

def f1():
    global x
    x+=1
    print(x)
x=12
print("x")

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Q30

What will be the output of the following Python code?

l1=[10, 20, 30]
l2=l1
id(l1)==id(l2)
 
l2=l1.copy()
id(l1)==id(l2)

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Q31

How are keyword arguments specified in the function heading?

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Q32

Fill in the line of the following Python code for calculating the factorial of a number.

def fact(num):
    if num == 0: 
        return 1
    else:
        return _____________________

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Q33

What will be the output of the following Python code?

def fun(n):
    if (n > 100):
        return n - 5
    return fun(fun(n+11));
 
print(fun(45))

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Q34

What will be the output of the following Python code?

list(map((lambda x:x**2), filter((lambda x:x%2==0), range(10))))

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Q35

What will be the output of the following code:

def my_function(a, b):
  return a / b
result = my_function(4, 2)
print(result)

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Q36

What will be the output of the following Python code?

a = [1, 2, 3, 4, 5]
b = lambda x: (b (x[1:]) + x[:1] if x else []) 
print(b (a))

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Q37

Which of the following statements is false about recursion?

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Q38

What will be the output of the following Python code?

x = ['ab', 'cd']
print(len(list(map(list, x))))

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Q39

Which of these is not true about recursion?

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Q40

What will be the output of the following Python code?

list(map((lambda x:x^2), range(10)))

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