class array:
    def __init__(self, content):
        def get_content(data):
            rslt = []
            for i in data:
                if isinstance(i, (list, tuple)): rslt.append(get_content(i))
                else: rslt.append(i)
            return rslt

        def get_shape(data, shape=[]):
            shape.append(len(data))
            if type(data[0]) == list:
                get_shape(data[0], shape)
            return shape

        def get_size(shape):
            size = 1
            for i in shape:
                size *= i
            return size
        
        if type(content) == int:
            self.content = content
            self.shape = 0
            self.size = 1

        else:
            self.content = get_content(content)
            self.shape= tuple(get_shape(self.content))
            self.size = get_size(self.shape)

        
    def __str__(self):
        msg = "["
        if len(self.shape) > 1:
            msg += "\n".join([f"{i}, " for i in self.content])
        else:
            msg += "".join([f"{i}, " for i in self.content])
        msg = msg[:-2] + "]"
        return msg

    def __repr__(self):
        msg = "array(["
        if len(self.shape) > 1:
            msg += "\n       ".join([f"{i}, " for i in self.content])
        else:
            msg += "".join([f"{i}, " for i in self.content])
        msg = msg[:-2] + "])"
        return msg

    def __getitem__(self, index):
        result = self.content[:]
        for i in index:
            if type(i) == int and type(result[0]) != int:
                result = [a[i] for a in result]
            else:
                result = result[i]

            if type(result) == int: break
        return array(result)

    def __get_column(self, col):
        return array([content[col] for i in self.content])

    def copy(self):
        return array(self.content[:])



def linspace(start, stop, num=50):
    step = (stop - start) / (num - 1)
    return array([start + i * step for i in range(num)])