TypeError: 'int' object is not callable and I don't know why : <p>I got the above error on this code and I do not know why:</p>

<pre><code>P=input('P=')
r=input('r=')
n=input('n=')
t=input('t=')

P=int (P)
r=float (r)
n=int (n)
t=int (t)


A=P(1+(r/n))^(n*t)
print("A=",A)
</code></pre>
