diff options
Diffstat (limited to 'prolog/problems/lists_advanced/len_2/en.py')
-rw-r--r-- | prolog/problems/lists_advanced/len_2/en.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/prolog/problems/lists_advanced/len_2/en.py b/prolog/problems/lists_advanced/len_2/en.py new file mode 100644 index 0000000..3ca963e --- /dev/null +++ b/prolog/problems/lists_advanced/len_2/en.py @@ -0,0 +1,13 @@ +# coding=utf-8 + +name = 'len/2' +slug = 'find the length of a list' + +description = '''\ +<p><code>len(L, Len)</code>: <code>Len</code> is the length of the list <code>L</code>.</p> +<pre> +?- len([1,2,3], Len). + Len = 3. +</pre>''' + +hint = {} |