Informatics Practices

Write Python expressions equivalent to the following arithmetic/algebraic expressions:
(a) $\dfrac{a + b}{2}$
(b) $\dfrac{3^2 + 9^3}{2}$
(c) $3^2 + \dfrac{9^3}{5}$
(d) $\sqrt{a} + \dfrac{a + 2}{b}$
(e) $8 - 6 + \dfrac{6 * \text{sum}}{7} - \sqrt{\text{var}}$
(f) $ut + \dfrac{1}{2} at^2$ (u, a, t are variables)

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(a) (a + b) / 2

(b) (32 + 93) / 2

(d) a**0.5 + (a + 2) / b

(e) 8 - 6 + 6 * sum / 7 - var**0.5

(f) u * t + 1 / 2 * a * t**2

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Find the output of the following code:

p = 5 % 2
q = p ** 4
r = p // q
p+= p + q + r
r+= p + q + r
q-= p + q * r
print(p, q, r)

Find the output of the following code:

p = 21 // 5
q = p % 4
r = p * q
p+= p + q - r
r*= p - q + r
q+= p + q
print(p, q, r)