title: TypeError: takes exactly 1 argument (2 given) Python Error
body: <p>The problem is that i have this function:</p>
  
  <pre><code>def fuerza_repulsion(x):
      area = 100 * 100
      k = math.sqrt(area / len(self.grafo[0]))
      return ((k**2 / x) * c2)
  </code></pre>
  
  <p>and in this line</p>
  
  <pre><code>f_mod = self.fuerza_repulsion(math.sqrt(dx**2 + dy**2))
  </code></pre>
  
  <p>i have this error:</p>
  
  <blockquote>
    <p>TypeError: fuerza_repulsion() takes exactly 1 argument (2 given)</p>
  </blockquote>
  
  <p>How can i fix it? </p>