总结一下内置函数，build-in function。一、数学运算类abs(x)求绝对值complex([real[, imag]])创建一个复数pmod(a, b)分别取商和余数注意：整型、浮点型都可以float([x])将一个字符串或数...
英文文档：hex(x)Convert an integer number to a lowercase hexadecimal string prefixed with “0x”, for exampleIf x is not a Pyth...
英文文档：help([object]) Invoke the built-in help system. (This function is intended for interactive use.) If no argument is...
英文文档：hash(object)Return the hash value of the object (if it has one). Hash values are integers. They are used to quickly...
英文文档：hasattr(object, name)The arguments are an object and a string. The result is True if the string is the name of one...
英文文档：globals()Return a dictionary representing the current global symbol table. This is always the dictionary of the cur...
英文文档：getattr(object, name[, default])Return the value of the named attribute of object. name must be a string. If the st...
英文文档：class frozenset([iterable])Return a new frozenset object, optionally with elements taken from iterable. frozenset i...
英文文档：format(value[, format_spec]) Convert a value to a “formatted” representation, as controlled by format_spec. The int...
英文文档：class bytes([source[, encoding[, errors]]]) Return a new “bytes” object, which is an immutable sequence of integ...
