from x1428 import e
a = 1428
b = 1428
c = a is b
print("1428 is 1428 = " + str(c)) #as we expected

print("All three are 1428") #just prove they are all the same
print(a)
print(b)
print(e)

c = e is a #expected to be True too, BUT NOT
print("1428 ISN'T 1428 = " + str(c))
print("     when one of them comes from a different file")