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This commit is contained in:
ayushbisht2001 2021-03-01 21:53:15 +05:30
parent 3b562a8507
commit 6deb893d4f
1 changed files with 8 additions and 2 deletions
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10
maths/series/arithmetic_mean.py
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@ -27,6 +27,10 @@ def arithmetic_mean(series: list) -> float:
4.0
>>> arithmetic_mean([3, 6, 9, 12])
7.5
>>> arithmetic_mean(4)
Traceback (most recent call last):
...
ValueError: Input series is not valid, valid series - [2, 4, 6]
>>> arithmetic_mean([4, 8, 1])
Traceback (most recent call last):
...
@ -39,13 +43,15 @@ def arithmetic_mean(series: list) -> float:
ValueError: Input list must be a non empty list
"""
if not isinstance(series, list):
raise ValueError("Input series is not valid, valid series - [2, 4, 6]")
if len(series) == 0:
raise ValueError("Input list must be a non empty list")
if not is_arithmetic_series(series):
raise ValueError("Input list is not an arithmetic series")
answer = 0
for _ in series:
answer += _
for val in series:
answer += val
return answer / len(series)