solution updated

Author: chandru1003

solutions/lambda/solution1.md

@@ -0,0 +1,7 @@
+Solutions:
+
+    def double_number(n):
+        return lambda x : x * n
+ 
+    result = double_number(2)
+    print("The double number of 11 =", result(11))

solutions/lambda/solution2.md

@@ -0,0 +1,7 @@
+Solutions:
+
+    def double_number(n):
+        return lambda x : x * n
+ 
+    result = double_number(2)
+    print("The double number of 11 =", result(11))