how can i change this java program to python

[SHUVOJIT SAHA SHUVO]

class A
{
int a;
void test(int a)
{
this.a=a;
}
void test(A o)
{
this.a=o.a;
}
void show()
{
System.out.print("a = "+a);
}
}

class main
{
public static void main(String args[])
{
A ob1=new A();
ob1.test(6);
ob1.show();
A ob2=new A();
ob2.test(ob1);
ob2.show();
}
}