2 files changed, 68 insertions, 0 deletions
diff --git a/challenge-241/eric-cheung/python/ch-1.py b/challenge-241/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..6e19580d14
--- /dev/null
+++ b/challenge-241/eric-cheung/python/ch-1.py
@@ -0,0 +1,28 @@
+
+from itertools import combinations
+
+def IsAriTriplet (arrInput, nDiffInput):
+    if arrInput[1] - arrInput[0] != nDiffInput:
+        return False
+    if arrInput[2] - arrInput[1] != nDiffInput:
+        return False
+    return True
+
+
+## Example 1
+## arrNum = [0, 1, 4, 6, 7, 10]
+## nDiff = 3
+
+## Example 2
+arrNum = [4, 5, 6, 7, 8, 9]
+nDiff = 2
+
+
+arrCombList = combinations(arrNum, 3)
+arrOutputList = []
+
+for arrLoop in list(arrCombList):
+    if IsAriTriplet(arrLoop, nDiff):
+        arrOutputList.append(arrOutputList)
+
+print (len(arrOutputList))
diff --git a/challenge-241/eric-cheung/python/ch-2.py b/challenge-241/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..a1eb778bf5
--- /dev/null
+++ b/challenge-241/eric-cheung/python/ch-2.py
@@ -0,0 +1,40 @@
+
+from math import sqrt
+
+def GetPrimeFact(nInput):
+    if nInput < 2:
+        return []
+    if nInput == 2:
+        return [2]
+
+    ## ====== ##
+    nNum = nInput
+    arrOuput = []
+    while nNum % 2 == 0:
+        arrOuput.append(2)
+        nNum = int(nNum / 2)
+    ## ====== ##
+
+    ## ====== ##
+    nDiv = 3
+    nRoot = int(sqrt(nNum))
+    while nDiv < nRoot + 1:
+        if nNum % nDiv == 0:
+            arrOuput.append(nDiv)
+            nNum = int(nNum / nDiv)
+        else:
+            nDiv = nDiv + 2
+    ## ====== ##
+
+    return arrOuput
+
+arrInput = [11, 8, 27, 4]
+
+for nRowIndx in range(0, len(arrInput) - 1):
+    for nColIndx in range(nRowIndx + 1, len(arrInput)):
+        if len(GetPrimeFact(arrInput[nRowIndx])) > len(GetPrimeFact(arrInput[nColIndx])) or len(GetPrimeFact(arrInput[nRowIndx])) == len(GetPrimeFact(arrInput[nColIndx])) and arrInput[nRowIndx] > arrInput[nColIndx]:
+            nTemp = arrInput[nRowIndx]
+            arrInput[nRowIndx] = arrInput[nColIndx]
+            arrInput[nColIndx] = nTemp
+
+print (arrInput)