Theory

Extraterrestrial life

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In a galaxy far, far away, there is a planet where biology works in mysterious ways. Not only do the planet's residents inherit genes from their parents, but also parts of their identity. Each parent contributes one half.

Read two strings with parental genetic information, find their IDs and calculate the mean, that is

alien=id(one)+id(other)2\text{alien} = \frac{\text{id(one)} + \text{id(other)}}{2}

Note that the found identity should be an integer. Also, do NOT print the result or rename the variables defined below.

Write a program in Python 3
# The parental gene sequences are stored here
one_ancestor = input()
other_ancestor = input()

# Calculate the identity of a new alien here
new_alien = ...
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