python 中的数值运算
1、使用内置的type函数查看变量的类型。spam_amount = 0print(type(spam_amount))print(type(1.2))

3、一个例子:hat_height_cm = 25my_height_cm = 190# How tall am I, in meters, when wearing my hat?total_height_meters = hat_height_cm + my_height_cm / 100print("Height in meters =", total_height_meters, "?")

5、去绝对值函数absprint(abs(32))print(abs(-32))

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