def test_is_int_int():
## GIVEN a string with a int
a = "4"
## WHEN checking if int
res = isint(a)
## THEN assert it is a int
assert res is True
def test_is_int_tricky():
## GIVEN a string with a empty string
a = "1.0"
## WHEN checking if integer
res = isint(a)
## THEN assert it is not a integer
assert res is True
def test_is_int_float():
## GIVEN a string with a float
a = "1.2"
## WHEN checking if integer
res = isint(a)
## THEN assert it is not a integer
assert res is False