2 files changed, 43 insertions, 0 deletions
diff --git a/challenge-336/eric-cheung/python/ch-1.py b/challenge-336/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..65adb5c6b2
--- /dev/null
+++ b/challenge-336/eric-cheung/python/ch-1.py
@@ -0,0 +1,14 @@
+
+from math import gcd
+
+## arrInt = [1, 1, 2, 2, 2, 2]  ## Example 1
+## arrInt = [1, 1, 1, 2, 2, 2, 3, 3]  ## Example 2
+## arrInt = [5, 5, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7]  ## Example 3
+## arrInt = [1, 2, 3, 4]  ## Example 4
+arrInt = [8, 8, 9, 9, 10, 10, 11, 11]  ## Example 5
+
+arrCount = [arrInt.count(nElem) for nElem in set(arrInt)]
+
+nGCD = gcd(*arrCount) 
+
+print (nGCD > 1)
diff --git a/challenge-336/eric-cheung/python/ch-2.py b/challenge-336/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..ee0ecf47d2
--- /dev/null
+++ b/challenge-336/eric-cheung/python/ch-2.py
@@ -0,0 +1,29 @@
+
+## arrScore = ["5", "2", "C", "D", "+"]  ## Example 1
+## arrScore = ["5", "-2", "4", "C", "D", "9", "+", "+"]  ## Example 2
+## arrScore = ["7", "D", "D", "C", "+", "3"]  ## Example 3
+## arrScore = ["-5", "-10", "+", "D", "C", "+"]  ## Example 4
+arrScore = ["3", "6", "+", "D", "C", "8", "+", "D", "-2", "C", "+"]  ## Example 5
+
+nIndx = 0
+while nIndx < len(arrScore):
+    strElem = arrScore[nIndx]
+
+    if "-" in strElem:
+        arrScore[nIndx] = -1 * int(strElem.replace("-", ""))
+    elif strElem.isdigit():
+        arrScore[nIndx] = int(strElem)
+    elif strElem == "+":
+        arrScore[nIndx] = sum(arrScore[nIndx - 2 : nIndx])
+    elif strElem == "C":
+        del arrScore[nIndx]
+        del arrScore[nIndx - 1]
+        nIndx = nIndx - 1
+        continue
+    elif strElem == "D":
+        arrScore[nIndx] = 2 * int(arrScore[nIndx - 1])
+
+    nIndx = nIndx + 1
+
+## print (arrScore)
+print (sum(arrScore))