result = [] #cach 1 for a in range(1,11): for b in range(1,11): for c in range(1,11): if (a + b + c == 24) and (a**2==b**2 + c**2 or b**2 == a**2 +c**2 or c**2== a**2+b**2 ): result.append([a,b,c]) print(result) # cach 2 list comprehension result2 = [(a,b,c) for a in range(1,11) for b in range(1,11) for c in range(1,11) if (a+b+c==24) and (a**2==b**2 + c**2 or b**2 == a**2 +c**2 or c**2== a**2+b**2 )] print(result2)