Explore topic-wise MCQs in Technical Programming.

This section includes 1007 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.

401.

What is the output of the following? def to_upper(k): return k.upper() x = ['ab', 'cd'] print(list(map(to_upper, x)))

A. [‘AB’, ‘CD’].
B. [‘ab’, ‘cd’].
C. none of the mentioned
D. error
Answer» B. [‘ab’, ‘cd’].
Discussion
402.

What is the output of the following? def to_upper(k): return k.upper() x = ['ab', 'cd'] print(list(map(upper, x)))

A. [‘AB’, ‘CD’].
B. [‘ab’, ‘cd’].
C. none of the mentioned
D. error
Answer» E.
Discussion
403.

What is the output of the following? x = ['ab', 'cd'] print(list(map(upper, x)))

A. [‘AB’, ‘CD’].
B. [‘ab’, ‘cd’].
C. error
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
404.

What is the output of the following? elements = [0, 1, 2] def incr(x): return x+1 print(list(map(incr, elements)))

A. [1, 2, 3].
B. [0, 1, 2].
C. error
D. none of the mentioned
Answer» B. [0, 1, 2].
Discussion
405.

What is the output of the following? elements = [0, 1, 2] def incr(x): return x+1 print(list(map(elements, incr)))

A. [1, 2, 3].
B. [0, 1, 2].
C. error
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
406.

What is the output of the line of code shown below? list(map((lambda x:x**2), filter((lambda x:x%2==0), range(10))))

A. [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
B. [0, 4, 16, 36, 64]
C. Error
D. No output
Answer» C. Error
Discussion
407.

What is the output of the line of code shown below? list(map((lambda x:x^2), range(10)))

A. [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
B. Error
C. [2, 3, 0, 1, 6, 7, 4, 5, 10, 11]
D. No output
Answer» D. No output
Discussion
408.

The single line equivalent of the code shown below is: l=[1, 2, 3, 4, 5] def f1(x): return x

A. filter(lambda x:x<0, l)
B. filter(lambda x, y: x<0, l)
C. filter(reduce x<0, l)
D. reduce(x: x<0, l)
Answer» B. filter(lambda x, y: x<0, l)
Discussion
409.

Which of the following numbers will not be a part of the output list of the code shown below? def sf(a): return a%3!=0 and a%5!=0 m=filter(sf, range(1, 31)) print(list(m))

A. 1
B. 29
C. 6
D. 10
Answer» E.
Discussion
410.

What is the output of the code shown? m=reduce(lambda x: x-3 in range(4, 10)) print(list(m))

A. [1, 2, 3, 4, 5, 6, 7]
B. No output
C. [1, 2, 3, 4, 5, 6]
D. Error
Answer» C. [1, 2, 3, 4, 5, 6]
Discussion
411.

What is the output of the code shown below? l=[n for n in range(5)] f=lambda x:bool(x%2) print(f(3), f(1)) for i in range(len(l)): if f(l[i]): del l[i] print(i)

A. True True 1 2 Error
B. False False 1 2
C. True False 1 2 Error
D. False True 1 2
Answer» B. False False 1 2
Discussion
412.

What is the output of the code shown? import functools l=[1, 2, 3, 4, 5] m=functools.reduce(lambda x, y:x if x>y else y, l) print(m)

A. Error
B. Address of m
C. 1
D. 5
Answer» E.
Discussion
413.

What is the output of the code shown? l=[1, 2, 3, 4, 5] m=map(lambda x:2**x, l) print(list(m))

A. [1, 4, 9, 16, 25 ]
B. [2, 4, 8, 16, 32 ]
C. [1, 0, 1, 0, 1]
D. Error
Answer» C. [1, 0, 1, 0, 1]
Discussion
414.

What is the output of the following code? l=[1, -2, -3, 4, 5] def f1(x): return x

A. [False, False, False, False, False]
B. [False, True, True, False, False]
C. [True, False, False, True, True]
D. [True, True, True, True, True]
Answer» C. [True, False, False, True, True]
Discussion
415.

What is the output of the code shown below? l=[-2, 4] m=map(lambda x:x*2, l) print(m)

A. [-4, 16]
B. Address of m
C. Error
D. -4 16
Answer» C. Error
Discussion
416.

What is the output of the code shown? l=[1, -2, -3, 4, 5] def f1(x): return x

A. [1, 4, 5 ]
B. Error
C. [-2, -3]
D. [1, -2, -3]
Answer» E.
Discussion
417.

What is the output of the code shown below? import functools l=[1,2,3,4] print(functools.reduce(lambda x,y:x*y,l))

A. Error
B. 10
C. 24
D. No output
Answer» D. No output
Discussion
418.

What is the output of the code shown below? f=lambda x:bool(x%2) print(f(20), f(21))

A. False True
B. False False
C. True True
D. True False
Answer» B. False False
Discussion
419.

The output of the code shown below is: odd=lambda x: bool(x%2) numbers=[n for n in range(10)] print(numbers) n=list() for i in numbers: if odd(i): continue else: break

A. [0, 2, 4, 6, 8, 10]
B. [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
C. [1, 3, 5, 7, 9]
D. Error
Answer» C. [1, 3, 5, 7, 9]
Discussion
420.

What is the output of the following piece of code? a = [1, 2, 3, 4, 5] b = lambda x: (b (x[1:]) + x[:1] if x else []) print(b (a))

A. 1 2 3 4 5.
B. [5,4,3,2,1].
C. [].
D. Error, lambda functions can’t be called recursively.
Answer» D. Error, lambda functions can’t be called recursively.
Discussion
421.

What is the base case in the Merge Sort algorithm when it is solved recursively?

A. n=0
B. n=1
C. A list of length one
D. An empty list
Answer» D. An empty list
Discussion
422.

What is the output of the piece of code given below? def check(n): if n < 2: return n % 2 == 0 return check(n - 2) print(check(11))

A. False
B. True
C. 1
D. An exception is thrown
Answer» B. True
Discussion
423.

What is the output of the code shown below? l1=[1, 2, 3, (4)] l2=l1.copy() l2 l1

A. [1, 2, 3, (4)] [1, 2, 3, 4]
B. [1, 2, 3, 4] [1, 2, 3, (4)]
C. [1, 2, 3, 4] [1, 2, 3, 4]
D. [1, 2, 3, (4)] [1, 2, 3, (4)]
Answer» D. [1, 2, 3, (4)] [1, 2, 3, (4)]
Discussion
424.

Fill in the blanks: In ____________________ copy, the modification done on one list affects the other list. In ____________________ copy, the modification done on one list does not affect the other list.

A. shallow, deep
B. memberwise, shallow
C. deep, shallow
D. deep, memberwise
Answer» B. memberwise, shallow
Discussion
425.

What is the output of the code shown below? l1=[10, 20, 30, [40]] l2=copy.deepcopy(l1) l1[3][0]=90 l1 l2

A. [10, 20, 30, [40]] [10, 20, 30, 90]
B. Error
C. [10, 20, 30 [90]] [10, 20, 30, [40]]
D. [10, 20, 30, [40]] [10, 20, 30, [90]]
Answer» D. [10, 20, 30, [40]] [10, 20, 30, [90]]
Discussion
426.

What is the output of the code shown below? l1=[1, 2, 3, [4]] l2=list(l1) id(l1)==id(l2)

A. True
B. False
C. Error
D. Address of l1
Answer» C. Error
Discussion
427.

What is the output of the codes shown below? l1=[10, 20, 30] l2=l1 id(l1)==id(l2) l2=l1.copy() id(l1)==id(l2)

A. False, False
B. False, True
C. True, True
D. True, False
Answer» E.
Discussion
428.

The output of the code shown below and state the type of copy that is depicted: l1=[2, 4, 6, 8] l2=[1, 2, 3] l1=l2 l2

A. [2, 4, 6, 8], shallow copy
B. [2, 4, 6, 8], deep copy
C. [1, 2, 3], shallow copy
D. [1, 2, 3], deep copy
Answer» D. [1, 2, 3], deep copy
Discussion
429.

n _______________ copy, the base address of the objects are copied. In _______________ copy, the base address of the objects are not copied.

A. deep. shallow
B. memberwise, shallow
C. shallow, deep
D. deep, memberwise
Answer» D. deep, memberwise
Discussion
430.

What is the output of the code shown below? l=[2, 3, [4, 5]] l2=l.copy() l2[0]=88 l l2

A. [88, 2, 3, [4, 5]] [88, 2, 3, [4, 5]]
B. [2, 3, [4, 5]] [88, 2, 3, [4, 5]]
C. [88, 2, 3, [4, 5]] [2, 3, [4, 5]]
D. [2, 3, [4, 5]] [2, 3, [4, 5]]
Answer» C. [88, 2, 3, [4, 5]] [2, 3, [4, 5]]
Discussion
431.

Which type of copy is shown in this code? l1=[[10, 20], [30, 40], [50, 60]] ls=list(l1) ls [[10, 20], [30, 40], [50, 60]]

A. Shallow copy
B. Deep copy
C. memberwise
D. All of the mentioned
Answer» B. Deep copy
Discussion
432.

What is the output of the following piece of code? def a(n): if n == 0: return 0 elif n == 1: return 1 else: return a(n-1)+a(n-2) for i in range(0,4): print(a(i),end=" ")

A. 0 1 2 3
B. An exception is thrown
C. 0 1 1 2 3
D. 0 1 1 2
Answer» E.
Discussion
433.

Which of these is not true about recursion?

A. Making the code look clean
B. A complex task can be broken into sub-problems
C. Recursive calls take up less memory
D. Sequence generation is easier than a nested iteration
Answer» D. Sequence generation is easier than a nested iteration
Discussion
434.

What happens if the base condition isn’t defined in recursive programs?

A. Program gets into an infinite loop
B. Program runs once
C. Program runs n number of times where n is the argument given to the function
D. An exception is thrown
Answer» B. Program runs once
Discussion
435.

What is the output of the following piece of code? def fun(n): if (n > 100): return n - 5 return fun(fun(n+11)); print(fun(45))

A. 50
B. 100
C. 74
D. Infinite loop
Answer» C. 74
Discussion
436.

Which of the following statements is false about recursion?

A. Every recursive function must have a base case
B. Infinite recursion can occur if the base case isn’t properly mentioned
C. A recursive function makes the code easier to understand
D. Every recursive function must have a return value
Answer» E.
Discussion
437.

Observe the following piece of code? def a(n): if n == 0: return 0 else: return n*a(n - 1) def b(n, tot): if n == 0: return tot else: return b(n-2, tot-2)

A. Both a() and b() aren’t tail recursive
B. Both a() and b() are tail recursive
C. b() is tail recursive but a() isn’t
D. a() is tail recursive but b() isn’t
Answer» D. a() is tail recursive but b() isn’t
Discussion
438.

What is tail recursion?

A. A recursive function that has two base cases
B. A function where the recursive functions leads to an infinite loop
C. A recursive function where the function doesn’t return anything and just prints the values
D. A function where the recursive call is the last thing executed by the function
Answer» E.
Discussion
439.

What is the output of the following code? l=[] def convert(b): if(b==0): return l dig=b%2 l.append(dig) convert(b//2) convert(6) l.reverse() for i in l: print(i,end="")

A. 011
B. 110
C. 3
D. Infinite loop
Answer» C. 3
Discussion
440.

What is the output of the following piece of code? def test(i,j): if(i==0): return j else: return test(i-1,i+j) print(test(4,7))

A. 13
B. 7
C. Infinite loop
D. 17
Answer» B. 7
Discussion
441.

Fill in the line of code for calculating the factorial of a number. def fact(num): if num == 0: return 1 else: return _____________________

A. num*fact(num-1)
B. (num-1)*(num-2)
C. num*(num-1)
D. fact(num)*fact(num-1)
Answer» B. (num-1)*(num-2)
Discussion
442.

Which of these is false about recursion?

A. Recursive function can be replaced by a non-recursive function
B. Recursive functions usually take more memory space than non-recursive function
C. Recursive functions run faster than non-recursive function
D. Recursion makes programs easier to understand
Answer» D. Recursion makes programs easier to understand
Discussion
443.

Which is the most appropriate definition for recursion?

A. A function that calls itself
B. A function execution instance that calls another execution instance of the same function
C. A class method that calls another class method
D. An in-built method that is automatically called
Answer» C. A class method that calls another class method
Discussion
444.

_____________ returns a dictionary of the module namespace. ________________ returns a dictionary of the current namespace.

A. locals() globals()
B. locals() locals()
C. globals() locals()
D. globals() globals()
Answer» D. globals() globals()
Discussion
445.

What is the output of this code? def f(): x=4 x=1 f() x

A. Error
B. 4
C. Junk value
D. 1
Answer» E.
Discussion
446.

What is the output of the code shown below? a=10 globals()['a']=25 print(a)

A. 10
B. 25
C. Junk value
D. Error
Answer» C. Junk value
Discussion
447.

What happens if a local variable exists with the same name as the global variable you want to access?

A. Error
B. The local variable is shadowed
C. Undefined behavior
D. The global variable is shadowed
Answer» E.
Discussion
448.

What is the output of the code shown below? e="butter" def f(a): print(a)+e f("bitter")

A. error
B. butter error
C. bitter error
D. bitterbutter
Answer» D. bitterbutter
Discussion
449.

What is the output of the code shown below? x=1 def cg(): global x x=x+1 cg() x

A. 2
B. 1
C. 0
D. Error
Answer» B. 1
Discussion
450.

Which of the following data structures is returned by the functions globals() and locals()?

A. list
B. set
C. dictionary
D. tuple
Answer» D. tuple
Discussion