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9-9 Battery Upgrade: In the last version of electric_car. Py in this section, add a method named upgrade_battery () to the Battery class. This method checks the battery capacity and sets it to 85 if it is not 85. Create an electric car with the default battery capacity, call the method get_range (), then upgrade the battery, and call get_range () again. You will see that the range of this car has increased.皇叔不为名利所羁绊，朕又岂能在皇叔面前摆架子。正忙着，大脑一阵昏迷，手上也没劲了。It is very important to solve the problem of waste packaging and promote green express delivery. On the one hand, at the source, it is necessary to formulate industry standards and packaging material standards to promote more environmentally friendly packaging materials; On the other hand, it is also necessary to strengthen recycling at terminals. For a single individual, the discarded express packages may be dozens of woven bags and packing boxes, but when the whole society comes together, the number of discarded woven bags and packing boxes can reach an astonishing billions in a year. If every individual covets convenience and labor, discarding it and throwing it away at random, it will not only cause waste of resources, but also bring pressure to subsequent garbage disposal and even cause environmental pollution. It seems that the society pays the bill, but in the end it is everyone living in this society. Green life requires us to practice it together.The rules for PREROUTING can exist in: raw table, mangle table, nat table.讲述的是生活在婆家的热血主妇姜汝媛和披荆斩棘度过人生的奉天东之间的爱情故事。至初四开始，就没个停歇了。