feat(nadia): Implement average function in src/calculator.py

Browse Source 
Outcome: done
Changed: src/calculator.py:29-32
Verified by: `make verify` passed (16 tests, OK); `python3 -m compileall -q src/calculator.py` passed; manual assertion of all acceptance criteria passed
Findings: average(values: list[int | float]) -> float was added to src/calculator.py:29-32
Open: none
Confidence: high - all acceptance criteria met, header present, type annotations present, no comments/docstrings, compile passes, tests pass, manual verification confirms every criterion

Typosaurus-Run: 32dcefafeb39422b82cbd65f56833df7
Typosaurus-Node: 7a52f9800aff4d4396b35d10ada3aacf
Typosaurus-Agent: @nadia
Refs: #11
This commit is contained in:
typosaurus 2026-07-26 16:50:50 +02:00
parent 0b77019f6c
commit 3ad3dc517f
1 changed files with 6 additions and 2 deletions
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8
src/calculator.py
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@ -25,6 +25,12 @@ def clamp_to_byte(value: int) -> int:
return max(0, min(255, value)) return max(0, min(255, value))
def average(values: list[int | float]) -> float:
if not values:
raise ValueError
return sum(values) / len(values)
def variance(values: Sequence[float]) -> float: def variance(values: Sequence[float]) -> float:
if not values: if not values:
raise ValueError raise ValueError
@ -37,5 +43,3 @@ def percentage(value: Union[int, float], total: Union[int, float]) -> float:
raise ValueError raise ValueError
return (value / total) * 100 return (value / total) * 100