漂亮蓝影 发表于 2018-8-13 10:35:03

Python数据类型-类功能详解--【数字】

  数字
  int(整型)
  在32位机器上,整数的位数为32位,取值范围为-2**31~2**31-1,即-2147483648~2147483647
  在64位系统上,整数的位数为64位,取值范围为-2**63~2**63-1,即-9223372036854775808~9223372036854775807
  class int(object):
  """
  int(x=0) -> int or long
  int(x, base=10) -> int or long
  Convert a number or string to an integer, or return 0 if no arguments
  are given.If x is floating point, the conversion truncates towards zero.
  If x is outside the integer range, the function returns a long instead.
  (将数字或字符串转换为整数,如果没有给出参数,则返回0。如果x是浮点数,则转换截断为0。
  如果x在整数范围之外,函数将返回long。)
  If x is not a number or if base is given, then x must be a string or
  Unicode object 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.
  (如果x不是一个数字,或者如果给出了基数,那么x必须是一个字符串或Unicode对象,表示给定基础上的整数文字。文字可以在前面加上“+”或“-”,并被空格包围。
  基础默认为10。有效的碱基是0和2 - 36。Base 0的意思是将该基础从字符串中解释为一个整数文字。)
  >>> int('0b100', base=0)
  4
  """
  def bit_length(self):
  """ 返回表示该数字的时占用的最少位数 """
  """
  int.bit_length() -> int
  Number of bits necessary to represent self in binary.
  >>> bin(37)
  '0b100101'
  >>> (37).bit_length()
  6
  """
  return 0
  def conjugate(self, *args, **kwargs): # real signature unknown
  """ 返回该复数的共轭复数 """
  """ Returns self, the complex conjugate of any int. """
  pass
  def __abs__(self):
  """ 返回绝对值 """
  """ x.__abs__() <==> abs(x) """
  pass
  def __add__(self, y):
  """ x.__add__(y) <==> x+y """
  pass
  def __and__(self, y):
  """ x.__and__(y) <==> x&y """
  pass
  def __cmp__(self, y):
  """ 比较两个数大小 """
  """ x.__cmp__(y) <==> cmp(x,y) """
  pass
  def __coerce__(self, y):
  """ 强制生成一个元组 """
  """ x.__coerce__(y) <==> coerce(x, y) """
  pass
  def __divmod__(self, y):
  """ 相除,得到商和余数组成的元组 """
  """ x.__divmod__(y) <==> divmod(x, y) """
  pass
  def __div__(self, y):
  """ x.__div__(y) <==> x/y """
  pass
  def __float__(self):
  """ 转换为浮点类型 """
  """ x.__float__() <==> float(x) """
  pass
  def __floordiv__(self, y):
  """ x.__floordiv__(y) <==> x//y """
  pass
  def __format__(self, *args, **kwargs): # real signature unknown
  pass
  def __getattribute__(self, name):
  """ x.__getattribute__('name') <==> x.name """
  pass
  def __getnewargs__(self, *args, **kwargs): # real signature unknown
  """ 内部调用 __new__方法或创建对象时传入参数使用 """
  pass
  def __hash__(self):
  """如果对象object为哈希表类型,返回对象object的哈希值。哈希值为整数。在字典查找中,哈希值用于快速比较字典的键。两个数值如果相等,则哈希值也相等。"""
  """ x.__hash__() <==> hash(x) """
  pass
  def __hex__(self):
  """ 返回当前数的 十六进制 表示 """
  """ x.__hex__() <==> hex(x) """
  pass
  def __index__(self):
  """ 用于切片,数字无意义 """
  """ x <==> x """
  pass
  def __init__(self, x, base=10): # known special case of int.__init__
  """ 构造方法,执行 x = 123 或 x = int(10) 时,自动调用,暂时忽略 """
  """
  int(x=0) -> int or long
  int(x, base=10) -> int or long
  Convert a number or string to an integer, or return 0 if no arguments
  are given.If x is floating point, the conversion truncates towards zero.
  If x is outside the integer range, the function returns a long instead.
  If x is not a number or if base is given, then x must be a string or
  Unicode object 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>  """
  pass
  def __int__(self):
  """ 转换为整数 """
  """ x.__int__() <==> int(x) """
  pass
  def __invert__(self):
  """ x.__invert__() <==> ~x """
  pass
  def __long__(self):
  """ 转换为长整数 """
  """ x.__long__() <==> long(x) """
  pass
  def __lshift__(self, y):
  """ x.__lshift__(y) <==> x<<y """
  pass
  def __mod__(self, y):
  """ x.__mod__(y) <==> x%y """
  pass
  def __mul__(self, y):
  """ x.__mul__(y) <==> x*y """
  pass
  def __neg__(self):
  """ x.__neg__() <==> -x """
  pass
  @staticmethod # known case of __new__
  def __new__(S, *more):
  """ T.__new__(S, ...) -> a new object with type S, a subtype of T """
  pass
  def __nonzero__(self):
  """ x.__nonzero__() <==> x != 0 """
  pass
  def __oct__(self):
  """ 返回改值的 八进制 表示 """
  """ x.__oct__() <==> oct(x) """
  pass
  def __or__(self, y):
  """ x.__or__(y) <==> x|y """
  pass
  def __pos__(self):
  """ x.__pos__() <==> +x """
  pass
  def __pow__(self, y, z=None):
  """ 幂,次方 """
  """ x.__pow__(y[, z]) <==> pow(x, y[, z]) """
  pass
  def __radd__(self, y):
  """ x.__radd__(y) <==> y+x """
  pass
  def __rand__(self, y):
  """ x.__rand__(y) <==> y&x """
  pass
  def __rdivmod__(self, y):
  """ x.__rdivmod__(y) <==> divmod(y, x) """
  pass
  def __rdiv__(self, y):
  """ x.__rdiv__(y) <==> y/x """
  pass
  def __repr__(self):
  """转化为解释器可读取的形式 """
  """ x.__repr__() <==> repr(x) """
  pass
  def __str__(self):
  """转换为人阅读的形式,如果没有适于人阅读的解释形式的话,则返回解释器课阅读的形式"""
  """ x.__str__() <==> str(x) """
  pass
  def __rfloordiv__(self, y):
  """ x.__rfloordiv__(y) <==> y//x """
  pass
  def __rlshift__(self, y):
  """ x.__rlshift__(y) <==> y<<x """
  pass
  def __rmod__(self, y):
  """ x.__rmod__(y) <==> y%x """
  pass
  def __rmul__(self, y):
  """ x.__rmul__(y) <==> y*x """
  pass
  def __ror__(self, y):
  """ x.__ror__(y) <==> y|x """
  pass
  def __rpow__(self, x, z=None):
  """ y.__rpow__(x[, z]) <==> pow(x, y[, z]) """
  pass
  def __rrshift__(self, y):
  """ x.__rrshift__(y) <==> y>>x """
  pass
  def __rshift__(self, y):
  """ x.__rshift__(y) <==> x>>y """
  pass
  def __rsub__(self, y):
  """ x.__rsub__(y) <==> y-x """
  pass
  def __rtruediv__(self, y):
  """ x.__rtruediv__(y) <==> y/x """
  pass
  def __rxor__(self, y):
  """ x.__rxor__(y) <==> y^x """
  pass
  def __sub__(self, y):
  """ x.__sub__(y) <==> x-y """
  pass
  def __truediv__(self, y):
  """ x.__truediv__(y) <==> x/y """
  pass
  def __trunc__(self, *args, **kwargs):
  """ 返回数值被截取为整形的值,在整形中无意义 """
  pass
  def __xor__(self, y):
  """ x.__xor__(y) <==> x^y """
  pass
  denominator = property(lambda self: object(), lambda self, v: None, lambda self: None)# default
  """ 分母 = 1 """
  """the denominator of a rational number in lowest terms"""
  imag = property(lambda self: object(), lambda self, v: None, lambda self: None)# default
  """ 虚数,无意义 """
  """the imaginary part of a complex number"""
  numerator = property(lambda self: object(), lambda self, v: None, lambda self: None)# default
  """ 分子 = 数字大小 """
  """the numerator of a rational number in lowest terms"""
  real = property(lambda self: object(), lambda self, v: None, lambda self: None)# default
  """ 实属,无意义 """
  """the real part of a complex number"""
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