Computer Science

What will be output produced by following code? State reason for this output.

a, b, c = 1, 1, 1
d = 0.3
e=a+b+c-d
f=a+b+c == d
print(e)
print(f)

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2.7
False

e = a+b+c-d
⇒ e = 1+1+1-0.3
⇒ e = 3-0.3
⇒ e = 2.7

As 0.3 is float so implicit conversion converts 3 also to float and result of the expression is of float type.

f = a + b + c == d
⇒ f = 1 + 1 + 1 == 0.3
⇒ f = 3 == 0.3
⇒ f = False

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a, b, c = 1, 1, 2
d = a + b
e = 1.0
f = 1.0
g = 2.0
h = e + f
print(c == d)
print(c is d)
print(g == h)
print(g is h)

a = 12     
b = 7.4     
c = 1       
a -= b
print(a, b)
a *= 2 + c
print(a)
b += a * c
print(b)