diff options
Diffstat (limited to 'prolog/problems/lists/len_2/common.py')
| -rw-r--r-- | prolog/problems/lists/len_2/common.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/prolog/problems/lists/len_2/common.py b/prolog/problems/lists/len_2/common.py new file mode 100644 index 0000000..62be9cc --- /dev/null +++ b/prolog/problems/lists/len_2/common.py @@ -0,0 +1,12 @@ +id = 119 +group = 'lists' +number = 26 +visible = True +facts = None + +solution = '''\ +len([], 0). +len([_|T], Len) :- + len(T, LenT), + Len is LenT + 1. +''' |