diff --git a/mySolution.py b/mySolution.py
new file mode 100644
index 0000000..5acdd49
--- /dev/null
+++ b/mySolution.py
@@ -0,0 +1,27 @@
+file = open('test.csv', 'r')
+file.readline()
+snapshots = []
+numThings = 8
+for i in range(0,8):
+        snapshots.append(file.readline()[0:-1].split(','))
+final = 0
+xEst = 0.5
+def findEnd(tFinal):
+        #initial cash flow
+        tFinal = float(snapshots[0][1])
+        #print "FISRT FINAL, ", final
+        for j in range(1,len(snapshots)):
+                tFinal += float(snapshots[j][1])*((1+xEst)**(numThings-j))
+                #print "nfinal: ", final
+        return tFinal
+final = findEnd(final)
+loops = 1
+while abs(final-float(snapshots[-1][2]))>0.001:
+        #print "Final: ", final, "Real: ", snapshots[-1][2]
+        if final < float(snapshots[-1][2]):
+                xEst -= 0.000001
+        else:
+                xEst += 0.000001
+        final = findEnd(final)
+print xEst
+