Week 2 - Quiz (Programming, Datastructures and Algorithms using Python) (NPTEL 2022 - CS26)

 One of the following 10 statements generates an error. Which one? 

(Your answer should be a number between 1 and 10.)

x = [1,"abcd",2,"efgh",[3,4]]  # Statement 1
y = x[0:6]                     # Statement 2
z = x                          # Statement 3
w = y                          # Statement 4
x[1] = x[1][0:3] + 'd'         # Statement 5
y[2] = 4                       # Statement 6
z[1][1:3] = 'yzw'              # Statement 7
z[0] = 0                       # Statement 8
w[4][0] = 1000                 # Statement 9
a = (x[4][1] == 4)             # Statement 10
2.5 points
2.5 points
Consider the following lines of Python code.
x = [423,'b',37,'f']
u = x[1:]
y = u
w = x
u = u[0:]
u[1] = 53
x[2] = 47
After these execute, which of the following is correct?
 
 
 
 
What is the value of second after executing the following lines?
first = "tarantula"
second = ""
for i in range(len(first)-1,-1,-1):
  second = first[i] + second
2.5 points
What is the value of list1 after the following lines are executed?
def mystery(l):
  l = l[0:5]
  return()

list1 = [44,71,12,8,23,17,16]
mystery(list1)

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