Update average.py (#908)

Reduced lines of code and extra processing on the line: n += 1
2019-06-22 12:42:28 +08:00
parent a99acae32d
commit 12a16d63b7
1 changed files with 2 additions and 3 deletions
@@ -1,11 +1,10 @@
 def average(nums):
    sum = 0
-    n = 0
    for x in nums:
      sum += x
-      n += 1
-    avg = sum / n
+    avg = sum / len(nums)
    print(avg)
+    return avg

 def main():
  average([2, 4, 6, 8, 20, 50, 70])