Python Programming Quiz – 5th&6th Week Quiz Solution

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Python Programming Quiz– 5th Solutions

[1] What does the following Python3 code do? (using python 3.X version)

n = int(input(‘Enter a number?’))
i = 1
while i <= n:
i = i+1
print (i)

• (a): Print all integers from 1 to n
• (b): Print all integers from 1 to n-1
• (c): Print all integers from 2 to n
• (d): Print all integers from 2 to n+1

Answer: (d) Print all integers from 2 to n+1

[2]  What does the following Python3 code do? (using python 3.X version)

• (a): Print all integers from 1 to n
• (b): Print all integers from 1 to n-1
• (c): Print all integers from 2 to n
• (d): Print all integers from 2 to n-1

Answer: (b) Print all integers from 1 to n-1

[3] What does the following Python3 code do? (using python 3.X version)

n = int(input(‘Enter a number?’))
i = n
while i > 0 :
print (i);
i = i-1

• (a): Print all integers from n to 1
• (b): Print all integers from 1 to n
• (c): Print all integers from n-1 to 1
• (d): Print all integers from n-1 to 0

Answer: (a) Print all integers from n to 1

[4]  What will the output of the following Python3 program (using python 3.X version)?

n = 13
sum = 0
while (n > 1):
n = n//2
sum = sum + n
print(sum)

• (a): 13
• (b): 10
• (c): 6
• (d): 9

Answer: (b) 10

[5]  What will the output of the following Python3 program? If the program has error, select the option ERROR (using python 3.X version)

n,p = 9,1
while (n >= 1):
n,p = n//2,n*p
print(int(p))

• (a): 8
• (b): 102
• (c): 9, 36, 72, 72
• (d): Error

Answer:(c)  9, 36, 72, 72

[6]  The following code should print all positive even numbers less than or equal to N. N is         taken as input from the user. What should replace the ???? for the code to work                 correctly?(using python 3.X version)

       N = int(input(‘Enter N:’))

       i = 1

      while ( i < N ) :   

      if ( ???? ):

        print(i)

      i = i + 1

• (a): i//2 == 0
• (b): i%2 != 0
• (c): i//2 != 0
• (d): i%2 == 0

Answer: (d) i%2 == 0

[7]  The following code is supposed to read 5 inputs from the user and print the last input. It does not produce the desired answer. Why? (Select the choice that corresponds to the error having the simplest fix for the code.)(using python 3.X version)

inp = 5
while (inp > 0):
last = input(‘next num? ‘)
inp = inp + 1
print (last)

• (a): The code works correctly
• (b): Bad initialization: While loop variable
• (c): Bad Update: Variable
• (d): Bad Termination: The termination condition should be: inp > 10

Answer:(c) Bad Update: Variable

[8]  The following code should print all positive odd numbers less than or equal to N. N is taken as input from the user. What should replace the ???? for the code to work correctly? (using python 3.X version)

N = int(input(‘Enter N:’))
i = 1
while ( i < N ) :
print(i)
????

• (a): i%2 == 1
• (b): i = i + 2
• (c): i = 1 + i * 2
• (d): i = i * 2

Answer:(b) i = i + 2

Also see: AICTSD (Albert Einstein International Scholarship Test )

Python Programming Quiz– 6th Solutions

Python programming quiz 6th solutions are given below:-

[1]  What is the output of the following Python3 program (using python 3.X version):

i = 1

while i <= 10:       

    if i%2==0: # even        

        continue   

    print (i, end=’ ‘)   

    i= i+1

• (a): 1 3 5 7 9
• (b): 2 4 6 8 10
• (c): The program will go into an infinite loop, printing 1 1 1 …
• (d): The program will go into an infinite loop (after possibly printing a single 1)

Answer:(d) The program will go into an infinite loop (after possibly printing a single 1)

[2] What is the output of the following Python3 program (using python 3.X version):

i = 1

while i <= 10:       

    i= i+1  

    if i%2==0: # even        

        continue   

    print (i, end=’ ‘)

• (a): 3 5 7 9 11
• (b): 1 3 5 7 9
• (c): The program will go into an infinite loop, printing 1 1 1 …
• (d): The program will go into an infinite loop, printing nothing

Answer:(a) 3 5 7 9 11

[3] What is the output of the following Python3 program (using python 3.X version):

i = 1

while i <= 10:       

    if i%2==0: # even

        i= i+1  

        continue   

    print (i, end=’ ‘)

• (a): 3 5 7 9 11
• (b): 1 3 5 7 9
• (c): The program will go into an infinite loop, printing 1 1 1 …
• (d): The program will go into an infinite loop, printing nothing

Answer: (c) The program will go into an infinite loop, printing 1 1 1 …

[4] What is the output of the following Python3 program (using python 3.X version):

i = 1

while i <= 10:       

    if i%2==0: # even

        i= i+1  

        continue   

    print (i, end=’ ‘)   

    i= i+1

• (a): 3 5 7 9 11
• (b): 1 3 5 7 9
• (c): The program will go into an infinite loop, printing 1 1 1 …
• (d): The program will go into an infinite loop, printing nothing

Answer:(b) 1 3 5 7 9

[5] What is the output of the following program (using python 3.X version):

r,a,n = 2,10,20

term = a

for i in range(n):

    term = term * r

    if (i > 3):

        break

print (term)

• (a): 40
• (b): 80
• (c): 160
• (d): 320

Answer(d) 320

[6] Which of the following statements is NOT true about Python functions:

• (a): A function can be called only once in a program.
• (b): A function allows us to break a program into small, independent tasks.
• (c): A function can call other functions.
• (d): Python provides several helpful functions

Answer:(a) A function can be called only once in a program.

[7] Functions allow us to “divide and conquer” a complex programming task into simpler programming tasks.

• (a): True
• (b): False

Answer:(a) True

[8]  Functions are the only way to write modular programs in Python.

• (a): True
• (b): False

Answer:(b) False

[9] Assume that the “min” function computes the minimum of two values, and “max” function computes the maximum of two values. Let x1, x2, x3 and x4 be 4 distinct integers. What can you say about the following program (using python 3.X version):

y1 = min(x1, x2)

        y2 = min(x3, x4)

        y3 = max(y1, y2)

• (a): y3 is the largest integer among x1, x2, x3, x4.
• (b): y3 is either the largest or the second largest integer among x1, x2, x3, x4.
• (c): y3 is either the second largest or the third largest integer among x1, x2, x3, x4.
• (d): y3 is the third largest integer among x1, x2, x3, x4.

Answer: (a)  y3 is the largest integer among x1, x2, x3, x4.

[10]

Assume that the “min” function computes the minimum of two values, and “max” function computes the maximum of two values. Let x1, x2, x3 and x4 be 4 distinct integers. What can you say about the following program (using python 3.X version):

y1 = min(x1, x2)

 y2 = min(x3, x4)

 y3 = x1 + x2 – y1

 y4 = x3 + x4 – y2

 y5 = max(y3, y4)

• (a): y5 is the largest integer among x1, x2, x3, x4.
• (b): y5 is either the largest or the second largest integer among x1, x2, x3, x4.
• (c): y5 is either the second largest or the third largest integer among x1, x2, x3, x4.
• (d): Can not say anything as the data is not sufficient.

Answer:(c) y5 is either the second largest or the third largest integer among x1, x2, x3, x4.

Also see: Python Quiz (Programming )– 4th Week Quiz Solution

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