python的异常捕捉堆栈信息stacktrace,traceback
打印报错的行列数与位置
def by2by2(num): """ :param num: """ try: num2 = int(num) for bb in range(1, num2 + 1): yy2 = bb for bb2 in range(1, bb + 1): result2 = yy2 * bb2 print(str(bb2) + "*" + str(yy2) + "=" + str(result2) + " ", end="") # end表示不换行 print() except Exception as e: print("输入错误,请输入数字:", e) import traceback traceback.print_stack() traceback.print_exc()
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