From 06fc6e153b6fc4a5ead5c19bfd99004e95363e90 Mon Sep 17 00:00:00 2001
From: Mohammad S Anwar <mohammad.anwar@yahoo.com>
Date: Sat, 7 May 2022 00:40:34 +0100
Subject: - Added guest contributions by Eric Cheung.

---
 challenge-163/eric-cheung/python/ch-1.py | 11 +++++++++++
 challenge-163/eric-cheung/python/ch-2.py | 25 +++++++++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100755 challenge-163/eric-cheung/python/ch-1.py
 create mode 100755 challenge-163/eric-cheung/python/ch-2.py

(limited to 'challenge-163/eric-cheung/python')

diff --git a/challenge-163/eric-cheung/python/ch-1.py b/challenge-163/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..1f24f83f6d
--- /dev/null
+++ b/challenge-163/eric-cheung/python/ch-1.py
@@ -0,0 +1,11 @@
+
+## arrNum = [1, 2, 3] ## Example 1
+arrNum = [2, 3, 4] ## Example 2
+nSum = 0
+
+for nRow in range (0, len(arrNum) - 1):
+    for nCol in range (nRow + 1, len(arrNum)):
+        ## print (str(arrNum[nRow]) + " & " + str(arrNum[nCol]) + " = " + str(arrNum[nRow] & arrNum[nCol]))
+        nSum = nSum + (arrNum[nRow] & arrNum[nCol])
+
+print (nSum)
diff --git a/challenge-163/eric-cheung/python/ch-2.py b/challenge-163/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..478616180c
--- /dev/null
+++ b/challenge-163/eric-cheung/python/ch-2.py
@@ -0,0 +1,25 @@
+
+## arrNum = [1, 2, 3, 4, 5] ## Example 1
+arrNum = [1, 3, 5, 7, 9] ## Example 2
+
+arrResult = []
+
+for nRow in range(0, len(arrNum)):
+
+    ## print (nRow)
+
+    if (nRow == 0):
+        arrResult = arrNum
+        ## print (arrResult)
+        continue
+
+    arrTemp = arrResult
+    arrResult = [arrTemp[1]]
+
+    for nCol in range(2, len(arrTemp)):
+        arrResult.append(arrResult[-1] + arrTemp[nCol])
+
+    ## print (arrResult)
+    
+
+print (arrResult[0])
-- 
cgit