effectivepython_3rd_kor/example_code/item_032_example_09.py at main · cpprhtn/effectivepython_3rd_kor

executable file

41 lines (33 loc) · 1.19 KB

#!/usr/bin/env PYTHONHASHSEED=1234 python3

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

# http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

print("아이템 32")

print("Example 9")

# Check types in this file with: python3 -m mypy <path>

def careful_divide(a: float, b: float) -> float:

""" a를 b로 나눈다.

Raises:

ValueError: 입력을 나눌 수 없는 경우

"""

try:

return a / b

except ZeroDivisionError:

raise ValueError("잘못된 입력")

try:

result = careful_divide(1, 0)

except ValueError:

print("잘못된 입력") # 이 부분이 실행되리라 예상함

else:

print(f"결과는 {result:.1f}")

assert careful_divide(1, 5) == 0.2

Provide feedback