completed all solutions

Author: oookevin53

python/list-2/has22.py

@@ -3,4 +3,12 @@
 """
 
 def has22(nums):
-    
+    is_2 = False
+    for i in nums:
+        if is_2:
+            if i == 2:
+                return True
+            is_2 = False
+        elif i == 2:
+            is_2 = True
+    return False

python/list-2/sum13.py

@@ -5,8 +5,9 @@
 """
 
 def sum13(nums):
-    idx_after = 0
-    for idx, i in enumerate(nums):
-        if i == 13:
-            i = 0
-            idx_after = idx + 1
+  total = 0
+  for i in range(len(nums)):
+    if nums[i] != 13:
+      if i == 0 or nums[i-1] != 13:
+        total += nums[i]
+  return total

python/list-2/sum67.py

@@ -5,4 +5,15 @@
 """
 
 def sum67(nums):
-    
+  total = 0
+  is_6 = False
+
+  for i in nums:
+    if i == 6:
+      is_6 = True
+    elif not is_6:
+      total += i
+    elif i == 7:
+      is_6 = False
+
+  return total