python之路-基础篇-day2

class int(object):
    """
    int(x=0) -> integer
    int(x, base=10) -> integer
    Convert a number or string to an integer, or return 0 if no arguments
    are given.  If x is a number, return x.__int__().  For floating point
    numbers, this truncates towards zero.
    If x is not a number or if base is given, then x must be a string,
    bytes, or bytearray instance representing an integer literal in the
    given base.  The literal can be preceded by ‘+‘ or ‘-‘ and be surrounded
    by whitespace.  The base defaults to 10.  Valid bases are 0 and 2-36.
    Base 0 means to interpret the base from the string as an integer literal.
    >>> int(‘0b100‘, base=0)
    4
    """
    def bit_length(self): # real signature unknown; restored from __doc__
        """
        int.bit_length() -> int
        Number of bits necessary to represent self in binary.
        """
        """
        表示该数字返回时占用的最少位数
        例如：整数37用二进制方法表示为：0b100101，调用.bit_length方法时他只占了6位
        >>> bin(37)
        ‘0b100101‘
        >>> (37).bit_length()
        6
        整数10用二进制方法表示为：0b1010，调用.bit_length方法时他只占了4位
        >>> bin(10)
        ‘0b1010‘
        >>> (10).bit_length()
        4
        """
        return 0
    def conjugate(self, *args, **kwargs): # real signature unknown
        """ Returns self, the complex conjugate of any int."""
        """返回该复数的共轭复数"""   # <--- 银角大王说没啥卵用
        pass
    @classmethod # known case
    def from_bytes(cls, bytes, byteorder, *args, **kwargs): # real signature unknown; NOTE: unreliably restored from __doc__
        """
        int.from_bytes(bytes, byteorder, *, signed=False) -> int
        Return the integer represented by the given array of bytes.
        The bytes argument must be a bytes-like object (e.g. bytes or bytearray).
        The byteorder argument determines the byte order used to represent the
        integer.  If byteorder is ‘big‘, the most significant byte is at the
        beginning of the byte array.  If byteorder is ‘little‘, the most
        significant byte is at the end of the byte array.  To request the native
        byte order of the host system, use `sys.byteorder‘ as the byte order value.
        The signed keyword-only argument indicates whether two‘s complement is
        used to represent the integer.
        """
        """
        python官方给出了下面几个例子，我是没看懂，谁看懂了告诉我下：
        这个方法是在Python3.2的时候加入的
        >>> int.from_bytes(b‘\x00\x10‘, byteorder=‘big‘)
        16
        >>> int.from_bytes(b‘\x00\x10‘, byteorder=‘little‘)
        4096
        >>> int.from_bytes(b‘\xfc\x00‘, byteorder=‘big‘, signed=True)
        -1024
        >>> int.from_bytes(b‘\xfc\x00‘, byteorder=‘big‘, signed=False)
        64512
        >>> int.from_bytes([255, 0, 0], byteorder=‘big‘)
        16711680
        """
        pass
    def to_bytes(self, length, byteorder, *args, **kwargs): # real signature unknown; NOTE: unreliably restored from __doc__
        """
        int.to_bytes(length, byteorder, *, signed=False) -> bytes
        Return an array of bytes representing an integer.
        The integer is represented using length bytes.  An OverflowError is
        raised if the integer is not representable with the given number of
        bytes.
        The byteorder argument determines the byte order used to represent the
        integer.  If byteorder is ‘big‘, the most significant byte is at the
        beginning of the byte array.  If byteorder is ‘little‘, the most
        significant byte is at the end of the byte array.  To request the native
        byte order of the host system, use `sys.byteorder‘ as the byte order value.
        The signed keyword-only argument determines whether two‘s complement is
        used to represent the integer.  If signed is False and a negative integer
        is given, an OverflowError is raised.
        """
        """
        # 应该是跟上面的from_bytes是相反的，感觉没啥卵用
        官方例子：
        >>> (1024).to_bytes(2, byteorder=‘big‘)
        b‘\x04\x00‘
        >>> (1024).to_bytes(10, byteorder=‘big‘)
        b‘\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00‘
        >>> (-1024).to_bytes(10, byteorder=‘big‘, signed=True)
        b‘\xff\xff\xff\xff\xff\xff\xff\xff\xfc\x00‘
        >>> x = 1000
        >>> x.to_bytes((x.bit_length() // 8) + 1, byteorder=‘little‘)
        b‘\xe8\x03‘
        """
        pass
    def __abs__(self, *args, **kwargs): # real signature unknown
        """ abs(self)"""
        """
        返回一个绝对值
        例子：
        >>> (10).__abs__()
        10
        >>> (-10).__abs__()
        10
        """
        pass
    # 这里有两个__add__() 应该是用来区分数字和字符串的
    def __add__(self, *args, **kwargs): # real signature unknown
        """ Return self+value."""
        """
        例子：
        >>> (3).__add__(4)
        7
        # 在python3.x中，数字不能和字符串相加
        >>> (3).__add__(‘a‘)
        NotImplemented
        """
        pass
    def __and__(self, *args, **kwargs): # real signature unknown
        """ Return self&value."""
        """
        例子：
        >>> a = 3
        >>> a.__add__(4)
        7
        """
        pass
    def __bool__(self, *args, **kwargs): # real signature unknown
        """ self != 0 """
        """
        判断一个整数对象是否为0，如果为0,则返回False，如果不为0，则返回True
        例子:
        >>> (-1).__bool__()
        True
        >>> (0).__bool__()
        False
        """
        pass
    def __ceil__(self, *args, **kwargs): # real signature unknown
        """ Ceiling of an Integral returns itself. """
        """
        好像是返回自己本身，没啥卵用
        例子：
        >>> (35).__ceil__()
        35
        >>> (35343).__ceil__()
        35343
        >>> (-35343).__ceil__()
        -35343
        """
        pass
    def __divmod__(self, *args, **kwargs): # real signature unknown
        """ Return divmod(self, value). """
        """
        返回一个元组，第一个元素为商，第二个元素为余数
        例子：
        >>> (3).__divmod__(2)
        (1, 1)
        >>> (3).__divmod__(3)
        (1, 0)
        >>> (3).__divmod__(4)
        (0, 3)
        """
        pass
    def __eq__(self, *args, **kwargs): # real signature unknown
        """ Return self==value. """
        """
        判断两个值是否相等
        例子：
        >>> (3).__eq__(4)
        False
        >>> (3).__eq__(3)
        True
        """
        pass
    def __float__(self, *args, **kwargs): # real signature unknown
        """ float(self) """
        """
        将一个整数转换成浮点型
        例子：
        >>> a = 1
        >>> a.__float__()
        1.0
        """
        pass
    def __floordiv__(self, *args, **kwargs): # real signature unknown
        """ Return self//value. """
        """
        整除，保留结果的整数部分
        例子：
        >>> a = 10
        >>> b = 3
        >>> a.__floordiv__(b)
        3
        """
        pass
    def __floor__(self, *args, **kwargs): # real signature unknown
        """ Flooring an Integral returns itself. """
        """
        返回本身，没啥卵用
        例子：
        a = 10
        >>> a.__floor__()
        10
        """
        pass
    def __format__(self, *args, **kwargs): # real signature unknown
        """ """
        """
        转换对象的类型
        例子：
        >>> a = 10
        >>> a.__format__(‘f‘)
        ‘10.000000‘
        >>> a.__format__(‘b‘)
        ‘1010‘
        """
        pass
    def __getattribute__(self, *args, **kwargs): # real signature unknown
        """ Return getattr(self, name). """
        pass
    def __getnewargs__(self, *args, **kwargs): # real signature unknown
        pass
    def __ge__(self, *args, **kwargs): # real signature unknown
        """ Return self>=value. """
        pass
    def __gt__(self, *args, **kwargs): # real signature unknown
        """ Return self>value. """
        pass
    def __hash__(self, *args, **kwargs): # real signature unknown
        """ Return hash(self). """
        pass
    def __index__(self, *args, **kwargs): # real signature unknown
        """ Return self converted to an integer, if self is suitable for use as an index into a list. """
        pass
    def __init__(self, x, base=10): # known special case of int.__init__
        """
        int(x=0) -> integer
        int(x, base=10) -> integer
        Convert a number or string to an integer, or return 0 if no arguments
        are given.  If x is a number, return x.__int__().  For floating point
        numbers, this truncates towards zero.
        If x is not a number or if base is given, then x must be a string,
        bytes, or bytearray instance representing an integer literal in the
        given base.  The literal can be preceded by ‘+‘ or ‘-‘ and be surrounded
        by whitespace.  The base defaults to 10.  Valid bases are 0 and 2-36.
        Base 0 means to interpret the base from the string as an integer literal.
        >>> int(‘0b100‘, base=0)
        4
        # (copied from class doc)
        """
        pass
    def __int__(self, *args, **kwargs): # real signature unknown
        """ int(self) """
        pass
    def __invert__(self, *args, **kwargs): # real signature unknown
        """ ~self """
        pass
    def __le__(self, *args, **kwargs): # real signature unknown
        """ Return self<=value. """
        pass
    def __lshift__(self, *args, **kwargs): # real signature unknown
        """ Return self<<value. """
        pass
    def __lt__(self, *args, **kwargs): # real signature unknown
        """ Return self<value. """
        pass
    def __mod__(self, *args, **kwargs): # real signature unknown
        """ Return self%value. """
        pass
    def __mul__(self, *args, **kwargs): # real signature unknown
        """ Return self*value. """
        pass
    def __neg__(self, *args, **kwargs): # real signature unknown
        """ -self """
        pass
    @staticmethod # known case of __new__
    def __new__(*args, **kwargs): # real signature unknown
        """ Create and return a new object.  See help(type) for accurate signature. """
        pass
    def __ne__(self, *args, **kwargs): # real signature unknown
        """ Return self!=value. """
        pass
    def __or__(self, *args, **kwargs): # real signature unknown
        """ Return self|value. """
        pass
    def __pos__(self, *args, **kwargs): # real signature unknown
        """ +self """
        pass
    def __pow__(self, *args, **kwargs): # real signature unknown
        """ Return pow(self, value, mod). """
        pass
    def __radd__(self, *args, **kwargs): # real signature unknown
        """ Return value+self. """
        pass
    def __rand__(self, *args, **kwargs): # real signature unknown
        """ Return value&self. """
        pass
    def __rdivmod__(self, *args, **kwargs): # real signature unknown
        """ Return divmod(value, self). """
        pass
    def __repr__(self, *args, **kwargs): # real signature unknown
        """ Return repr(self). """
        pass
    def __rfloordiv__(self, *args, **kwargs): # real signature unknown
        """ Return value//self. """
        pass
    def __rlshift__(self, *args, **kwargs): # real signature unknown
        """ Return value<<self. """
        pass
    def __rmod__(self, *args, **kwargs): # real signature unknown
        """ Return value%self. """
        pass
    def __rmul__(self, *args, **kwargs): # real signature unknown
        """ Return value*self. """
        pass
    def __ror__(self, *args, **kwargs): # real signature unknown
        """ Return value|self. """
        pass
    def __round__(self, *args, **kwargs): # real signature unknown
        """
        Rounding an Integral returns itself.
        Rounding with an ndigits argument also returns an integer.
        """
        pass
    def __rpow__(self, *args, **kwargs): # real signature unknown
        """ Return pow(value, self, mod). """
        pass
    def __rrshift__(self, *args, **kwargs): # real signature unknown
        """ Return value>>self. """
        pass
    def __rshift__(self, *args, **kwargs): # real signature unknown
        """ Return self>>value. """
        pass
    def __rsub__(self, *args, **kwargs): # real signature unknown
        """ Return value-self. """
        pass
    def __rtruediv__(self, *args, **kwargs): # real signature unknown
        """ Return value/self. """
        pass
    def __rxor__(self, *args, **kwargs): # real signature unknown
        """ Return value^self. """
        pass
    def __sizeof__(self, *args, **kwargs): # real signature unknown
        """ Returns size in memory, in bytes """
        pass
    def __str__(self, *args, **kwargs): # real signature unknown
        """ Return str(self). """
        pass
    def __sub__(self, *args, **kwargs): # real signature unknown
        """ Return self-value. """
        pass
    def __truediv__(self, *args, **kwargs): # real signature unknown
        """ Return self/value. """
        pass
    def __trunc__(self, *args, **kwargs): # real signature unknown
        """ Truncating an Integral returns itself. """
        pass
    def __xor__(self, *args, **kwargs): # real signature unknown
        """ Return self^value. """
        pass
    denominator = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default
    """the denominator of a rational number in lowest terms"""
    imag = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default
    """the imaginary part of a complex number"""
    numerator = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default
    """the numerator of a rational number in lowest terms"""
    real = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default
    """the real part of a complex number"""