Few List-2 Solutions

Author: rokas2019

List-2/big_diff.py

@@ -0,0 +1,10 @@
+# Given an array length 1 or more of ints, return the difference between the largest and smallest values in the
+# array. Note: the built-in min(v1, v2) and max(v1, v2) functions return the smaller or larger of two values.
+#
+#
+# big_diff([10, 3, 5, 6]) → 7
+# big_diff([7, 2, 10, 9]) → 8
+# big_diff([2, 10, 7, 2]) → 8
+
+def big_diff(nums):
+    return max(nums) - min(nums)

List-2/counts_ebens.py

@@ -0,0 +1,17 @@
+# Return the number of even ints in the given array. Note: the % "mod" operator computes the remainder, e.g. 5 % 2 is 1.
+#
+#
+# count_evens([2, 1, 2, 3, 4]) → 3
+# count_evens([2, 2, 0]) → 3
+# count_evens([1, 3, 5]) → 0
+
+def counts_evens(nums):
+    even = 0
+    for i in nums:
+        if i % 2 == 0:
+            even += 1
+    return even
+
+
+def one_liner(nums):
+    return len(list(filter(lambda x: (x % 2 == 0), nums)))