made a little change conditionals.py

python_sandbox_finished/conditionals.py

@@ -64,4 +64,12 @@
 
 # is not
 if x is not y:
-  print(x is not y)
+  print(x is not y)
+
+x = True
+
+if x == True:
+  print("The variable x is True")
+
+else:
+  print("The variable x is false")

python_sandbox_finished/map, filter and reduce.py

@@ -0,0 +1,22 @@
+from setuptools import reduce #importing reduce module for using reduce function (Reduce module is default with python)
+
+l1 = [2,3,4,5,6]
+
+mapping_the_l1 = list(map(lambda x: x*2, l1)) # MAP FUNCTION APPLIES THE GIVEN COMMAND TO EVERY INDEX OF A LIST
+# IN THIS CASE WE ARE MULTIPLYING EVERY CHARACTER IF LIST l1 TO 2 USING LAMBDA FUNCTION
+
+print(mapping_the_l1)
+
+
+filtering_the_l1 = list(filter(lambda x: x%2 ==0)) #FILTER FUNCTION FILTERS THE LIST ACCORDING TO OUR WISH
+# IN THIS CASE WE ARE FILERING THE NUMBER WHICH IS DIVISIBLE BY 2 IN l1.
+
+print(filtering_the_l1)
+
+def add(x, y):
+   return x+y
+
+reducing_the_l1 = reduce(add, l1) # REDUCE FUNCTION IS USED FOR DOING MATHEMATICAL OPERATIONS IN A LIST
+# HERE, WE ARE ADDING ALL THE CHARACTERS THE LIST l1 
+
+print(reducing_the_l1)