1 files changed, 45 insertions, 0 deletions
diff --git a/solutions/py/d04.py b/solutions/py/d04.py
new file mode 100644
index 0000000..3115f2a
--- /dev/null
+++ b/solutions/py/d04.py
@@ -0,0 +1,45 @@
+from collections import Counter
+
+def isIncreasing(num):
+    s = str(num)
+    n = int(s[0])
+    for sp in s[1:]:
+        if int(sp) < n:
+            return False
+        n = int(sp)
+    return True
+
+def pt1(input):
+    return
+    def containsDouble(num):
+        s = str(num)
+        amounts = []
+        for n in (0,1,2,3,4,5,6,7,8,9):
+            amounts.append(s.count(str(n)))
+        c = Counter(amounts)
+        return c[0] + c[1] < 10
+
+    amount = 0
+    for n in range(357253, 892942 + 1):
+        if containsDouble(n):
+            if isIncreasing(n):
+                amount += 1
+    return amount
+
+def pt2(input):
+    return
+    def containsDouble(num):
+        s = str(num)
+        amounts = []
+        for n in (0,1,2,3,4,5,6,7,8,9):
+            amounts.append(s.count(str(n)))
+        c = Counter(amounts)
+        if c[0] + c[1] < 10:
+            return c[2] >= 1
+    amount = 0
+    for n in range(357253, 892942 + 1):
+        if containsDouble(n):
+            if isIncreasing(n):
+                amount += 1
+    return amount
+