Python3内置函数 https://www.runoob.com/python3/python3-built-in-functions.html int https://www.runoob.com/python3/python3-number.html str https://www.runoob.com/python3/python3-string.html list https://www.runoob.com/python3/python3-list.html tuple https…
abs()Return the absolute value of a number. The argument may be an integer or a floating point number.If the argument is a complex number, its magnitude is returned.返回一个数的绝对值.参数可以是整数或浮点数..如果参数是复数,则返回它的数量级. all(iterable) Return True if all elements of…