print nil == nil; // expect: true

print true == true; // expect: true
print true == false; // expect: false

print 1 == 1; // expect: true
print 1 == 2; // expect: false

print "str" == "str"; // expect: true
print "str" == "ing"; // expect: false

print nil == false; // expect: false
print false == 0; // expect: false
print 0 == "0"; // expect: false