首先创建mamba的环境，然后安装必要的库。请你创建一个新环境，而不是用以前的环境，版本这些就跟着这个里面来。The eco-friendly coloration of these snakes very easily camouflages them among the trees. The venom from the japanese inexperienced mamba is really a potent neurotoxin which has an effect on the