X*Y=6 X+Y=6

import time, threading
success = []

def add(A, B):
    return "{0:.5f}".format(round(A+B,2))
def mul(A, B):
    return "{0:.5f}".format(round(A*B,2))
def test(A, B):
    if(add(A, B) == 6.0 and mul(A, B) == 6.0):
        return True
    else:
        return False
def threader(A):
    global success
    B = 6.0
    while B > 3.0:
        try:
            if test(A, B):
                print("Found Match: %s : %s" %(A, B))
                success.append([A, B])
                break
            else:
                B-=0.001
        except KeyboardInterrupt:
            print("stopping")
    print("Thread A=%s has finished"%A)

def main():
    A = 0.0
    while A < 3.0:
        A+=0.001
        print("Starting Thread with A as %s" %A)
        t=threading.Thread(target=threader,args=(A,))
        t.start()
    t.join()
    print(success)

if __name__ == "__main__":
    try:
        main()
    except Exception as err:
        print("There was an Error:")
        print(err)
        print(success)
    except KeyboardInterrupt:
        print("stopping")
        print(success)
    except:
        print("Something went Wrong")
        print(success)