mathy.py
python_old/pytest-workshop/pytest-workshop-starter/src/mathy.py
def add(a, b):
return a + b
def div(a, b):
if b == 0:
raise ValueError("b must be non-zero")
return a / b
def reciprocal(x):
if x == 0:
raise ValueError("x must be non-zero")
return 1 / x
# TODO: Exercise A
# Implement subtract(a, b) to return a - b
# def subtract(a, b):
# ...
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