title: We cannot write any assignment statement globally why?
body: <p>Why we cannot write any assignment statement globally ?My code is below </p>
  
  <pre><code>  #include &lt;stdio.h&gt;
    static int i=10;   //Initialization statement
    i=25;              //Assignment statement not possible why?
    int main()
  {
   printf("%d",i);
   return 0;
  }
  </code></pre>