Raise ValueError exception
- ValueError
You can be more specific with your error type and raise a ValueError.
def add_material(name, amount):
if amount <= 0:
raise ValueError(f"Amount of {name} must be positive. {amount} was given.")
print(f"Adding {name}: {amount}")
def main():
things_to_add = (
("apple", 3),
("sugar", -1),
("banana", 2),
)
for name, amount in things_to_add:
try:
add_material(name, amount)
except Exception as err:
print(f"Exception: {err}")
print("Type: " + type(err).__name__)
main()
$ python raise_value_error.py
Adding apple: 3
Exception: Amount of sugar must be positive. -1 was given.
Type: ValueError
Adding banana: 2