Python - how do I return an int in string form?
<p>So for a point class I'm writing, I need to write a method that rounds and converts to an int in string form. This is what I did:</p>

<pre><code>def __str__(self):
    return int(round(self.x))
</code></pre>

<p>So it rounds and converts to an int but it isn't in string form. I've tried using str but that doesn't work at all. So how can I get that to string form? Here's my entire point class:</p>

<pre><code>import math


class Error(Exception):
    def __init__(self, message):
        self.message = message


class Point:

    def __init__(self, x, y):
        if not isinstance(x, float):
            raise Error ("Parameter \"x\" illegal.")  
        self.x = x
        if not isinstance(y, float):
            raise Error ("Parameter \"y\" illegal.")
        self.y = y


    def rotate(self, a):
        if not isinstance(a, float):
            raise Error("Parameter \"a\" illegal.")
        self.x0 = math.cos(a) * self.x - math.sin(a) * self.y
        self.y0 = math.sin(a) * self.x + math.cos(a) * self.y


    def scale(self, f):
        if not isinstance(f, float):
            raise Error("Parameter \"f\" illegal.")
        self.x0 = f * self.x
        self.y0 = f * self.y


    def translate(self, delta_x, delta_y):
        if not isinstance(delta_x, float):
            raise Error ("Parameter \"delta_x\" illegal.")
        self.x0 = self.x + delta_x
        if not isinstance(delta_y, float):
            raise Error ("Parameter \"delta_y\" illegal.")
        self.y0 = self.y + delta_y


    def __str__(self):
        return str(int(round(self.x)))
        return str(int(round(self.y)))
</code></pre>

<p>Now I also have a line class that I haven't finished writing yet so if this class looks fine then the error must be in my line class. </p>