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Let A be the 2 × 2 matrix with elements a_{11} = a_{12} = a_{21} = +1 and a_{22} = −1. Then the eigenvalues of the matrix A^{19} are

What will be the output of the following Python code?

'{a}{b}{a}'.format(a='hello', b='world')

Let k = 2^{n}. A circuit is built by giving the output of an n-bit binary counter as input to an n to 2^{n} bit decoder. This circuit is equivalent to a

What will be the value of the following Python expression?

4+2**5//10

What will be the output of the following Python code snippet?

x = 'abcd' for i in range(len(x)): x = 'a' print(x)

What will be the output of the following Python code?

import datetime

d=datetime.date(2017,06,18)

print(d)

What will be the output of the following Python code snippet?

print([[i+j for i in "abc"] for j in "def"])