replaced nested loops with itertools.combinations

1 files changed, 8 insertions, 8 deletions

diff --git a/challenge-327/walt-mankowski/python/ch-2.py b/challenge-327/walt-mankowski/python/ch-2.py
index f45867b112..2a95a9263c 100644
--- a/challenge-327/walt-mankowski/python/ch-2.py
+++ b/challenge-327/walt-mankowski/python/ch-2.py
@@ -1,17 +1,17 @@
 from sys import argv
+from itertools import combinations
 
 min_dist = 1e300
 pairs = []
 elements = sorted(map(int, argv[1:]))
 
-for i in range(0, len(elements) - 1):
-    for j in range(i+1, len(elements)):
-        delta = abs(elements[i] - elements[j])
-        if delta < min_dist:
-            pairs = [[elements[i], elements[j]]]
-            min_dist = delta
-        elif delta == min_dist:
-            pairs.append([elements[i], elements[j]])
+for i,j in combinations(range(len(elements)), 2):
+    delta = abs(elements[i] - elements[j])
+    if delta < min_dist:
+        pairs = [[elements[i], elements[j]]]
+        min_dist = delta
+    elif delta == min_dist:
+        pairs.append([elements[i], elements[j]])
 
 print(pairs)