Merge pull request #179 from Lucifer0420/patch-3

 Program to find sum of array

arraysum.py

@@ -0,0 +1,30 @@
+# Python 3 code to find sum 
+# of elements in given array 
+def _sum(arr): 
+
+    # initialize a variable
+    # to store the sum
+    # while iterating through
+    # the array later
+    sum=0
+
+    # iterate through the array
+    # and add each element to the sum variable
+    # one at a time
+    for i in arr:
+        sum = sum + i
+
+    return(sum) 
+
+# driver function 
+arr=[] 
+# input values to list 
+arr = [12, 3, 4, 15] 
+
+# calculating length of array 
+n = len(arr) 
+
+ans = _sum(arr) 
+
+# display sum 
+print ('Sum of the array is ', ans)