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Diffstat (limited to 'prolog/problems/lists_advanced/evenlen_1_+_oddlen_1/en.py')
-rw-r--r-- | prolog/problems/lists_advanced/evenlen_1_+_oddlen_1/en.py | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/prolog/problems/lists_advanced/evenlen_1_+_oddlen_1/en.py b/prolog/problems/lists_advanced/evenlen_1_+_oddlen_1/en.py new file mode 100644 index 0000000..a01a41b --- /dev/null +++ b/prolog/problems/lists_advanced/evenlen_1_+_oddlen_1/en.py @@ -0,0 +1,18 @@ +# coding=utf-8 + +name = 'evenlen/1 + oddlen/1' +slug = 'check if the length of a list is even or odd' + +description = '''\ +<p><code>evenlen(L)</code>: the list <code>L</code> has an even number of elements.<br /> +<code>oddlen(L)</code>: the list <code>L</code> has an odd number of elements.</p> +<pre> +?- oddlen([1,2,3,4,5]). + true. +?- oddlen([1,2,3,4]). + false. +?- evenlen([1,2,3,4]). + true. +</pre>''' + +hint = {} |