#Python has a built-in module that you can use for mathematical tasks. #Python 有一個內建模組，可用於數學任務。 #The math module has a set of methods and constants. #The math.frexp() method returns the mantissa and ...

#To insert characters that are illegal in a string, use an escape character. #要在字串中插入非法字元，請使用轉義字元。 #An escape character is a ...