def collatz_length(self, n):
length = 1
term = n
while term != 1:
if is_even(term):
term = int(term / 2)
if term in self.tree:
length += self.tree[term]
break
else:
length += 1
else:
term = 3 * term + 1
if term in self.tree:
length += self.tree[term]
break
else:
length += 1
self.tree[n] = length
return length
def test1():
assert is_even(4) == True
def test3():
assert is_even(5) == False
def test2():
assert is_even(3) == False
def test_functions(self):
even = 4
odd = 1
self.assertEqual(functions.is_even(even), True)
self.assertFalse(functions.is_even(odd), True)
import functions
import data # opdracht 2
functions.is_odd(2)
functions.is_odd(3)
functions.is_even(2)
functions.is_even(3)
functions.is_palindrome("foo")
functions.is_palindrome("foof")
print(dir(data))
print(data)
# 2
print(f"-----------check lst1 -------------")
lst1 = data.lst1
functions.contains_only_ints(lst1)
functions.sum_list(lst1)
print(f"-----------check lst2 -------------")
lst2 = data.lst2
functions.contains_only_ints(data.lst2)
import functions
print(functions.is_palindrome("mayam"))
print(functions.is_palindrome("apple"))
print(functions.is_even(8))
print(functions.is_even(7))
print(functions.is_odd(8))
print(functions.is_odd(7))
else:
err_msg(test_Case_msg("3", "is_int()"))
if not functions.is_int(True):
pass_msg(test_Case_msg("4", "is_int()"))
total_passed += 1
else:
err_msg(test_Case_msg("4", "is_int()"))
# Printing a newline
print("")
# Testing is_even() function
prep_msg("is_even()")
if functions.is_even(90):
pass_msg(test_Case_msg("1", "is_even()"))
total_passed += 1
else:
err_msg(test_Case_msg("1", "is_even()"))
if not functions.is_even(17999079):
pass_msg(test_Case_msg("2", "is_even()"))
total_passed += 1
else:
err_msg(test_Case_msg("2", "is_even()"))
if not functions.is_even(3.14):
pass_msg(test_Case_msg("3", "is_even()"))
total_passed += 1
else:
def test3():
assert is_even(5) == False
def test2():
assert is_even(3) == False
def test1():
assert is_even(4) == True
