2 files changed, 31 insertions, 0 deletions
diff --git a/challenge-253/eric-cheung/python/ch-1.py b/challenge-253/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..ac1c18f9c5
--- /dev/null
+++ b/challenge-253/eric-cheung/python/ch-1.py
@@ -0,0 +1,14 @@
+
+## Example 1
+arrWords = ["one.two.three", "four.five", "six"]
+strSeparator = "."
+
+## Example 2
+## arrWords = ["$perl$$", "$$raku$"]
+## strSeparator = "$"
+
+arrOutput = []
+for strLoop in arrWords:
+    arrOutput = arrOutput + strLoop.split(strSeparator)
+
+print (",".join(["\"" + strLoop + "\"" for strLoop in arrOutput if strLoop]))
diff --git a/challenge-253/eric-cheung/python/ch-2.py b/challenge-253/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..91e11aaa8b
--- /dev/null
+++ b/challenge-253/eric-cheung/python/ch-2.py
@@ -0,0 +1,17 @@
+
+def IsWeaker (rowA, rowB):
+    return True if rowA.count(1) <= rowB.count(1) else False
+
+## arrMatrix = [[1, 1, 0, 0, 0], [1, 1, 1, 1, 0], [1, 0, 0, 0, 0], [1, 1, 0, 0, 0], [1, 1, 1, 1, 1]]  ## Example 1
+arrMatrix = [[1, 0, 0, 0], [1, 1, 1, 1], [1, 0, 0, 0], [1, 0, 0, 0]]  ## Example 2
+
+arrIndx = [nIndx for nIndx in range(len(arrMatrix))]
+
+for nRowLoop in range(len(arrIndx) - 1):
+    for nColLoop in range(nRowLoop + 1, len(arrIndx)):
+        if not IsWeaker (arrMatrix[arrIndx[nRowLoop]], arrMatrix[arrIndx[nColLoop]]):
+            vTemp = arrIndx[nRowLoop]
+            arrIndx[nRowLoop] = arrIndx[nColLoop]
+            arrIndx[nColLoop] = vTemp
+
+print (arrIndx)