Add GetArrayString method.

73_Reverse/csharp/Reverse/Reverse.Tests/ReverserTests.cs

@@ -111,5 +111,16 @@ namespace Reverse.Tests
 
             Assert.False(result);
         }
+
+        [Fact]
+        public void GetArrayString_ReturnsSpaceSeparatedElementsOfArrayInStringFormat()
+        {
+            var sut = new TestReverser(1);
+            sut.SetArray(new int[] { 1, 2 });
+
+            var result = sut.GetArrayString();
+
+            Assert.Equal(" 1  2 ", result);
+        }
     }
 }

73_Reverse/csharp/Reverse/Reverse/Reverser.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Text;
 
 namespace Reverse
 {
@@ -70,5 +71,17 @@ namespace Reverse
 
             return true;
         }
+
+        public string GetArrayString()
+        {
+            var sb = new StringBuilder();
+
+            foreach (int i in _array)
+            {
+                sb.Append(" " + i + " ");
+            }
+
+            return sb.ToString();
+        }
     }
 }