python fancy func

Author: harishpuvvada

Misc/Lambda,map,reduce,filter.py

@@ -0,0 +1,27 @@
+'''lambda is a one line anonymous function '''
+func = lambda x,y: x if x>y else y  #function to return max of two numbers
+print(func(2,7))
+#7
+
+
+from functools import reduce
+lis = [1,2,3,4]
+print(reduce(lambda x,y:x+y,lis)) #multiplying all elements of a list using FILTER
+#10
+
+
+print(list(map(lambda x: x**2, lis)))  #squaring all elements of a list using MAP
+#[1, 4, 9, 16]
+
+
+
+print(list(filter(lambda x: x>10,lis))) #filtering elements of a list using FILTER
+#[] - empty list
+
+
+'''
+
+In filter if you guessed 16 to be answer, you are wrong.
+These functions dont modify the input lists but create new ones
+
+'''