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from typing import * # noqa: F401
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# extmod/modtrezorcrypto/modtrezorcrypto-shamir.h
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def interpolate(shares, x) -> bytes:
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"""
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Returns f(x) given the Shamir shares (x_1, f(x_1)), ... , (x_k, f(x_k)).
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:param shares: The Shamir shares.
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:type shares: A list of pairs (x_i, y_i), where x_i is an integer and
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y_i is an array of bytes representing the evaluations of the
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polynomials in x_i.
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:param int x: The x coordinate of the result.
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:return: Evaluations of the polynomials in x.
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:rtype: Array of bytes.
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"""
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