Create amicable_numbers.py

Author: mohammadreza490

maths/amicable_numbers.py

@@ -0,0 +1,32 @@
+"""
+From: https://en.wikipedia.org/wiki/Amicable_numbers
+Amicable numbers are two different numbers related in such a way that the sum of the proper divisors of each is equal to the other number.
+
+>>> amicable_numbers(60,84)
+False
+>>> amicable_numbers(220,284)
+True
+>>> amicable_numbers(-10,24)
+False
+"""
+
+
+def amicable_numbers(first_number, second_number) -> bool:
+    if first_number <= 1 or second_number <= 1:
+        return False
+    first_number_proper_divisors = [
+        i for i in range(1, first_number) if first_number % i == 0
+    ]
+    second_number_proper_divisors = [
+        i for i in range(1, second_number) if second_number % i == 0
+    ]
+    return (
+        sum(first_number_proper_divisors) == second_number
+        and sum(second_number_proper_divisors) == first_number
+    )
+
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()