1007 + Mcqs in Python Page 10 McqOptions

451.	Read the code shown below carefully and point out the global variables: y, z = 1, 2 def f(): global x x = y+z
A.	x
B.	y and z
C.	x, y and z
D.	Neither x, nor y, nor z
Answer» D. Neither x, nor y, nor z

Discussion

452.	What is the output of the code shown below? x=100 def f1(): global x x=90 def f2(): global x x=80 print(x)
A.	100
B.	90
C.	80
D.	Error
Answer» B. 90

Discussion

453.	The output of code shown below is: x = 5 def f1(): global x x = 4 def f2(a,b): global x return a+b+x f1() total = f2(1,2) print(total)
A.	Error
B.	7
C.	8
D.	15
Answer» C. 8

Discussion

454.	What is the output of the code shown below? def f(x): print("outer") def f1(a): print("inner") print(a,x) f(3) f1(1)
A.	outer error
B.	nner error
C.	outer inner
D.	error
Answer» B. nner error

Discussion

455.	What is the output of the code shown below? def f(p, q, r): global s p = 10 q = 20 r = 30 s = 40 print(p,q,r,s) p,q,r,s = 1,2,3,4 f(5,10,15)
A.	1 2 3 4
B.	5 10 15 4
C.	10 20 30 40
D.	5 10 15 40
Answer» D. 5 10 15 40

Discussion

456.	What is the output of the code shown below? def f1(a,b=[]): b.append(a) return b print(f1(2,[3,4]))
A.	[3,2,4]
B.	[2,3,4]
C.	Error
D.	[3,4,2]
Answer» E.

Discussion

457.	What is the output of the code shown? def f(): global a print(a) a = "hello" print(a) a = "world" f() print(a)
A.	hello hello world
B.	world world hello
C.	hello world world
D.	world hello world
Answer» C. hello world world

Discussion

458.	What is the output of the following code? x=12 def f1(a,b=x): print(a,b) x=15 f1(4)
A.	Error
B.	12 4
C.	4 12
D.	4 15
Answer» D. 4 15

Discussion

459.	What is the output of the code shown below? def f1(x): global x x+=1 print(x) f1(15) print("hello")
A.	error
B.	hello
C.	16
D.	16 hello
Answer» B. hello

Discussion

460.	What is the output of the code shown? def f1(): global x x+=1 print(x) x=12 print("x")
A.	Error
B.	13
C.	13 x
D.	x
Answer» E.

Discussion

461.	What is the output of the code shown below? def san(x): print(x+1) x=-2 x=4 san(12)
A.	13
B.	10
C.	2
D.	5
Answer» B. 10

Discussion

462.	What is the output of the code shown below? def f1(): x=100 print(x) x=+1 f1()
A.	Error
B.	100
C.	101
D.	99
Answer» C. 101

Discussion

463.	The output of the code shown below is: def f1(): x=15 print(x) x=12 f1()
A.	Error
B.	12
C.	15
D.	1512
Answer» D. 1512

Discussion

464.	What is the output of the following? def foo(i, x=[]): x.append(x.append(i)) return x for i in range(3): y = foo(i) print(y)
A.	[[[0]], [[[0]], [1]], [[[0]], [[[0]], [1]], [2]]].
B.	[[0], [[0], 1], [[0], [[0], 1], 2]].
C.	[0, None, 1, None, 2, None].
D.	[[[0]], [[[0]], [1]], [[[0]], [[[0]], [1]], [2]]].
Answer» D. [[[0]], [[[0]], [1]], [[[0]], [[[0]], [1]], [2]]].

Discussion

465.	Where are the arguments received from the command line stored?
A.	sys.argv
B.	os.argv
C.	argv
D.	none of the mentioned
Answer» B. os.argv

Discussion

466.	What is the output of the following code? def foo(x): x[0] = ['def'] x[1] = ['abc'] return id(x) q = ['abc', 'def'] print(id(q) == foo(q))
A.	True
B.	False
C.	None
D.	Error
Answer» B. False

Discussion

467.	How are required arguments specified in the function heading?
A.	identifier followed by an equal to sign and the default value
B.	identifier followed by the default value within backticks (“)
C.	identifier followed by the default value within square brackets ([])
D.	identifier
Answer» E.

Discussion

468.	How are default arguments specified in the function heading?
A.	identifier followed by an equal to sign and the default value
B.	identifier followed by the default value within backticks (“)
C.	identifier followed by the default value within square brackets ([])
D.	identifier
Answer» B. identifier followed by the default value within backticks (“)

Discussion

469.	What is the value stored in sys.argv[0]?
A.	null
B.	you cannot access it
C.	the program’s name
D.	the first argument
Answer» D. the first argument

Discussion

470.	What is the type of sys.argv?
A.	set
B.	list
C.	tuple
D.	string
Answer» C. tuple

Discussion

471.	Which module in the python standard library parses options received from the command line?
A.	getopt
B.	os
C.	getarg
D.	main
Answer» B. os

Discussion

472.	How are variable length arguments specified in the function heading?
A.	one star followed by a valid identifier
B.	one underscore followed by a valid identifier
C.	two stars followed by a valid identifier
D.	two underscores followed by a valid identifier
Answer» B. one underscore followed by a valid identifier

Discussion

473.	What is the output of the following code? def foo(k): k = [1] q = [0] foo(q) print(q)
A.	[0].
B.	[1].
C.	[1, 0].
D.	[0, 1].
Answer» B. [1].

Discussion

474.	What is the output of the following code? def foo(i, x=[]): x.append(i) return x for i in range(3): print(foo(i))
A.	[0] [1] [2].
B.	[0] [0, 1] [0, 1, 2].
C.	[1] [2] [3].
D.	[1] [1, 2] [1, 2, 3].
Answer» C. [1] [2] [3].

Discussion

475.	What is the output of the following code? def foo(x): x = ['def', 'abc'] return id(x) q = ['abc', 'def'] print(id(q) == foo(q))
A.	True
B.	False
C.	None
D.	Error
Answer» C. None

Discussion

476.	What is the output of the following code? def foo(): total += 1 return total total = 0 print(foo())
A.	0
B.	1
C.	error
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

477.	What is the output of the following code? def foo(): return total + 1 total = 0 print(foo())
A.	0
B.	1
C.	error
D.	none of the mentioned
Answer» C. error

Discussion

478.	What is the output of the following code? def foo(fname, val): print(fname(val)) foo(max, [1, 2, 3]) foo(min, [1, 2, 3])
A.	3 1
B.	1 3
C.	error
D.	none of the mentioned
Answer» B. 1 3

Discussion

479.	How many keyword arguments can be passed to a function in a single function call?
A.	zero
B.	one
C.	zero or more
D.	one or more
Answer» D. one or more

Discussion

480.	How are keyword arguments specified in the function heading?
A.	one star followed by a valid identifier
B.	one underscore followed by a valid identifier
C.	two stars followed by a valid identifier
D.	two underscores followed by a valid identifier
Answer» D. two underscores followed by a valid identifier

Discussion

481.	What is the output of the following code? def foo(k): k[0] = 1 q = [0] foo(q) print(q)
A.	[0].
B.	[1].
C.	[1, 0].
D.	[0, 1].
Answer» C. [1, 0].

Discussion

482.	What is the length of sys.argv?
A.	number of arguments
B.	number of arguments + 1
C.	number of arguments – 1
D.	none of the mentioned
Answer» C. number of arguments – 1

Discussion

483.	What is the type of each element in sys.argv?
A.	set
B.	list
C.	tuple
D.	string
Answer» E.

Discussion

484.	What is the output of the following piece of code? def find(a, **b): print(type(b)) find('letters',A='1',B='2')
A.	String
B.	Tuple
C.	Dictionary
D.	An exception is thrown
Answer» D. An exception is thrown

Discussion

485.	What is the output of the following code? def display(b, n): while n > 0: print(b,end="") n=n-1 display('z',3)
A.	zzz
B.	zz
C.	An exception is executed
D.	Infinite loop
Answer» B. zz

Discussion

486.	If a function doesn’t have a return statement, which of the following does the function return?
A.	int
B.	null
C.	None
D.	An exception is thrown without the return statement
Answer» D. An exception is thrown without the return statement

Discussion

487.	What is the output of the following code? def change(one, *two): print(type(two)) change(1,2,3,4)
A.	Integer
B.	Tuple
C.	Dictionary
D.	An exception is thrown
Answer» C. Dictionary

Discussion

488.	What is the output of the following code? def change(i = 1, j = 2): i = i + j j = j + 1 print(i, j) change(j = 1, i = 2)
A.	An exception is thrown because of conflicting values
B.	1 2
C.	3 3
D.	3 2
Answer» E.

Discussion

489.	What is the output of the following code? a=10 b=20 def change(): global b a=45 b=56 change() print(a) print(b)
A.	10 56
B.	45 56
C.	10 20
D.	Syntax Error
Answer» B. 45 56

Discussion

490.	What is the output of the following piece of code? def a(b): b = b + [5] c = [1, 2, 3, 4] a(c) print(len(c))
A.	4
B.	5
C.	1
D.	An exception is thrown
Answer» C. 1

Discussion

491.	What is the output of the following code? i=0 def change(i): i=i+1 return i change(1) print(i)
A.	1
B.	Nothing is displayed
C.	0
D.	An exception is thrown
Answer» D. An exception is thrown

Discussion

492.	What is a variable defined inside a function referred to as?
A.	A global variable
B.	A volatile variable
C.	A local variable
D.	An automatic variable
Answer» D. An automatic variable

Discussion

493.	What is a variable defined outside a function referred to as?
A.	A static variable
B.	A global variable
C.	A local variable
D.	An automatic variable
Answer» C. A local variable

Discussion

494.	What is the output of this program? L = [lambda x: x 2, lambda x: x 3, lambda x: x ** 4] for f in L: print(f(3))
A.	27 81 343
B.	6 9 12
C.	9 27 81
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

495.	What is the output of below program? def writer(): title = 'Sir' name = (lambda x:title + ' ' + x) return name who = writer() who('Arthur')
A.	Arthur Sir
B.	Sir Arthur
C.	Arthur
D.	None of the mentioned
Answer» C. Arthur

Discussion

496.	What is the output of below program? def f(x, y, z): return x + y + z f(2, 30, 400)
A.	432
B.	24000
C.	430
D.	No output
Answer» B. 24000

Discussion

497.	What is the output of below program? lamb = lambda x: x ** 3 print(lamb(5))
A.	15
B.	555
C.	125
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

498.	What is the output of this program? y = 6 z = lambda x: x * y print z(8)
A.	48
B.	14
C.	64
D.	None of the mentioned
Answer» B. 14

Discussion

499.	Python supports the creation of anonymous functions at runtime, using a construct called __________
A.	Lambda
B.	pi
C.	anonymous
D.	None of the mentioned
Answer» B. pi

Discussion

500.	What is the output of the below program? def sum(*args): '''Function returns the sum of all values''' r = 0 for i in args: r += i return r print sum.__doc__ print sum(1, 2, 3) print sum(1, 2, 3, 4, 5)
A.	6 15
B.	6 100
C.	123 12345
D.	None of the mentioned
Answer» B. 6 100

Discussion

Explore topic-wise MCQs in Technical Programming.

Read the code shown below carefully and point out the global variables: y, z = 1, 2 def f(): global x x = y+z

What is the output of the code shown below? x=100 def f1(): global x x=90 def f2(): global x x=80 print(x)

The output of code shown below is: x = 5 def f1(): global x x = 4 def f2(a,b): global x return a+b+x f1() total = f2(1,2) print(total)

What is the output of the code shown below? def f(x): print("outer") def f1(a): print("inner") print(a,x) f(3) f1(1)

What is the output of the code shown below? def f(p, q, r): global s p = 10 q = 20 r = 30 s = 40 print(p,q,r,s) p,q,r,s = 1,2,3,4 f(5,10,15)

What is the output of the code shown below? def f1(a,b=[]): b.append(a) return b print(f1(2,[3,4]))

What is the output of the code shown? def f(): global a print(a) a = "hello" print(a) a = "world" f() print(a)

What is the output of the following code? x=12 def f1(a,b=x): print(a,b) x=15 f1(4)

What is the output of the code shown below? def f1(x): global x x+=1 print(x) f1(15) print("hello")

What is the output of the code shown? def f1(): global x x+=1 print(x) x=12 print("x")

What is the output of the code shown below? def san(x): print(x+1) x=-2 x=4 san(12)

What is the output of the code shown below? def f1(): x=100 print(x) x=+1 f1()

The output of the code shown below is: def f1(): x=15 print(x) x=12 f1()

What is the output of the following? def foo(i, x=[]): x.append(x.append(i)) return x for i in range(3): y = foo(i) print(y)

Where are the arguments received from the command line stored?

What is the output of the following code? def foo(x): x[0] = ['def'] x[1] = ['abc'] return id(x) q = ['abc', 'def'] print(id(q) == foo(q))

How are required arguments specified in the function heading?

How are default arguments specified in the function heading?

What is the value stored in sys.argv[0]?

What is the type of sys.argv?

Which module in the python standard library parses options received from the command line?

How are variable length arguments specified in the function heading?

What is the output of the following code? def foo(k): k = [1] q = [0] foo(q) print(q)

What is the output of the following code? def foo(i, x=[]): x.append(i) return x for i in range(3): print(foo(i))

What is the output of the following code? def foo(x): x = ['def', 'abc'] return id(x) q = ['abc', 'def'] print(id(q) == foo(q))

What is the output of the following code? def foo(): total += 1 return total total = 0 print(foo())

What is the output of the following code? def foo(): return total + 1 total = 0 print(foo())

What is the output of the following code? def foo(fname, val): print(fname(val)) foo(max, [1, 2, 3]) foo(min, [1, 2, 3])

How many keyword arguments can be passed to a function in a single function call?

How are keyword arguments specified in the function heading?

What is the output of the following code? def foo(k): k[0] = 1 q = [0] foo(q) print(q)

What is the length of sys.argv?

What is the type of each element in sys.argv?

What is the output of the following piece of code? def find(a, **b): print(type(b)) find('letters',A='1',B='2')

What is the output of the following code? def display(b, n): while n > 0: print(b,end="") n=n-1 display('z',3)

If a function doesn’t have a return statement, which of the following does the function return?

What is the output of the following code? def change(one, *two): print(type(two)) change(1,2,3,4)

What is the output of the following code? def change(i = 1, j = 2): i = i + j j = j + 1 print(i, j) change(j = 1, i = 2)

What is the output of the following code? a=10 b=20 def change(): global b a=45 b=56 change() print(a) print(b)

What is the output of the following piece of code? def a(b): b = b + [5] c = [1, 2, 3, 4] a(c) print(len(c))

What is the output of the following code? i=0 def change(i): i=i+1 return i change(1) print(i)

What is a variable defined inside a function referred to as?

What is a variable defined outside a function referred to as?

What is the output of this program? L = [lambda x: x ** 2, lambda x: x ** 3, lambda x: x ** 4] for f in L: print(f(3))

What is the output of below program? def writer(): title = 'Sir' name = (lambda x:title + ' ' + x) return name who = writer() who('Arthur')

What is the output of below program? def f(x, y, z): return x + y + z f(2, 30, 400)

What is the output of below program? lamb = lambda x: x ** 3 print(lamb(5))

What is the output of this program? y = 6 z = lambda x: x * y print z(8)

Python supports the creation of anonymous functions at runtime, using a construct called __________

What is the output of the below program? def sum(*args): '''Function returns the sum of all values''' r = 0 for i in args: r += i return r print sum.__doc__ print sum(1, 2, 3) print sum(1, 2, 3, 4, 5)

What is the output of this program? L = [lambda x: x 2, lambda x: x 3, lambda x: x ** 4] for f in L: print(f(3))

What is the output of the below program? def sum(*args): '''Function returns the sum of all values''' r = 0 for i in args: r += i return r print sum.doc print sum(1, 2, 3) print sum(1, 2, 3, 4, 5)