def test_add():
print("In add test")
added = demo.add("hej ", "hopp")
test.assert_equal("hej hopp", added)
test.assert_not_equal("hej", added)
def test_echo():
print("In echo test")
echo = demo.echo("hej")
test.assert_equal("hej", echo)
test.assert_not_equal(None, echo)
def test_echo():
print("In echo test")
echo = demo.echo("hej")
test.assert_equal("hej", echo)
test.assert_not_equal(None, echo)
def test_add():
print("In add test")
added = demo.add("hej ", "hopp")
test.assert_equal("hej hopp", added)
test.assert_not_equal("hej", added)
from test import assert_equal
def is_isogram(string):
t = {}
for x in string.lower():
if string.lower().count(x) > 1:
t[x] = False
return True if len(t.keys()) == 0 else False
# Another solutions:
'''string = string.lower()
for letter in string:
if string.count(letter) > 1: return False
return True
#return len(string) == len(set(string.lower()))'''
assert_equal(is_isogram("Dermatoglyphics"), True)
assert_equal(is_isogram("aba"), False)