Python解二元二次方程组

from sympy import *
a,b=0,0
n = Symbol(‘n‘)
k=  Symbol(‘k‘)


with open("ab.txt") as f:
    for line in f.readlines():
        ab=line.split(‘\t‘)
        line = line.strip(‘\n‘)
        a=eval(ab[0])
        b=eval(ab[1])
        solved_value = solve([n ** 2 - k ** 2 - a, 2 * n * k - b], [n, k])
        print("a value is {}, b value is {} answer is {}".format(a,b,solved_value))


print("Program done!")