Python operator 模块，__mul__() 实例源码

def flatten_idx(self, idx, IO=0):
        return sum((x-IO)*(y-IO) for x,y in zip(scan_reverse(operator.__mul__,self.rho[1:]+[1]), idx))

def product(seq):
    """The product of a sequence of numbers"""
    return reduce(operator.__mul__, seq, 1)

def __mul__(self, rhs):
        return op_binary(self, rhs, operator.__mul__)

def __rmul__(self, lhs):
        return op_binary(lhs, self, operator.__mul__)

def __imul__(self, v):
        return self.op_binary_inplace(v, operator.__mul__)

def __mul__(self, rhs):
        return op_binary(self, rhs, operator.__mul__)

def __rmul__(self, lhs):
        return op_binary(lhs, self, operator.__mul__)

def __mul__(self, other):
        with self._lock:
            return operator.__mul__(self.__wrapped__, other)

    # __div__ is py2 only

def __rmul__(self, other):
        with self._lock:
            return operator.__mul__(other, self.__wrapped__)

def ride(group,comet):
    from operator import __mul__
    from functools import reduce
    kk = [ord(i) - ord('A') + 1 for i in group.upper()]
    ll = [ord(i) - ord('A') + 1 for i in comet.upper()]
    group = reduce(__mul__, kk)
    comet = reduce(__mul__, ll)
    return 'GO' if group % 47 == comet % 47 else 'STAY'

def multiply(typeA, typeB):
    return operator.__mul__(typeA.number.getNum(), typeB.number.getNum())

def ride(group,comet):
    from operator import __mul__
    from functools import reduce
    kk = [ord(i) - ord('A') + 1 for i in group.upper()]
    ll = [ord(i) - ord('A') + 1 for i in comet.upper()]
    group = reduce(__mul__, kk)
    comet = reduce(__mul__, ll)
    return 'GO' if group % 47 == comet % 47 else 'STAY'