PYTHON

Question

Consider the following lines of Python code.

a = 'nptel'
b = [12,14,16]
c = 72

x = [a,b,c]
y = [a,b[:],c]
u = x[:]
v = y

b = [12,17,16]
v[1][1] = 15

Which of the following is correct?
x[1][1] == 14, y[1][1] == 14, u[1][1] == 15, v[1][1] == 15
x[1][1] == 17, y[1][1] == 15, u[1][1] == 14, v[1][1] == 15
x[1][1] == 17, y[1][1] == 15, u[1][1] == 17, v[1][1] == 15
x[1][1] == 14, y[1][1] == 15, u[1][1] == 14, v[1][1] == 15

Answer 1

x[1][1] == 14, y[1][1] == 15, u[1][1] == 14, v[1][1] == 15