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f-strings

f-strings or formatted strings are very useful in writing concise and clear code. They make formatting strings very straightforward. f-strings start with an f followed by an opening quotation mark:
a = 55
b = 453
res = str(a) + ' * ' + str(b) + ' = ' + str(a * b)
a = 55
b = 453
res = f'{a} * {b} = {a * b}'
Both of these produce the same res, yet the example on the right is much more concise and understandable. Any expression that needs to be part of a string is embraced in a {}. Python automatically converts it to a string and places it in the final result.

Challenge

Given 3 numbers a, b, and c, your task is to print (a + b) / c = x, where x is the result of the expression.
Input
Output
10 20 30
(10 + 20) / 30 = 1
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