Python

EquilibriumIndex.py

@@ -1,2 +1,20 @@
 def eqindex(data):
-    #do code here
+    '''
+    a generator function that returns the equilibruim indices of a given list
+    '''
+
+    # get the sums of the reversed data list (data[-1], data[-1] + data[-2+],
+    # data[-1] + data[-2] + data[-3], ect.)
+    bw_sums = [sum(data[::-1][:i+1]) for i, x in enumerate(data[::-1])]
+    # initialize a value to hold the sums of the values
+    sums = 0
+    # loop through each value in the list
+    for i, n in enumerate(data):
+        # add the value to the sums variable
+        sums += n
+        # check if sums is in backwards sum list, excluding the reverse index
+        # and higher of the initial list
+        if sums in bw_sums[:-(i+1)]:
+            # add one so indices ar x[1], x[2], ... x[n] rather than
+            # x[0], x[1], ... x[n-1]
+            yield i + 1

TrueBooj.py

@@ -1,2 +1,14 @@
 def truebooj(number):
-    # do code here
+    '''
+    function to return a number, or a string depending on if the remainder of
+    the number argument divided by 3, 5, or 10 is = 0
+    '''
+
+    if number % 10 == 0:
+        return 'TrueBooj'
+    elif number % 5 == 0:
+        return 'Booj'
+    elif number % 3 == 0:
+        return 'True'
+    else:
+        return str(number)