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item_051_example_05.py
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executable file
·32 lines (26 loc) · 1.03 KB
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#!/usr/bin/env PYTHONHASHSEED=1234 python3
# Copyright 2014-2024 Brett Slatkin, Pearson Education Inc.
#
# 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 51")
print("Example 5")
# 이 파일의 타입을 이렇게 체크해 보세요: python3 -m mypy <경로>
class RGB:
def __init__(
self, red: int, green: int, blue: int
) -> None: # Changed
self.red = red
self.green = green
self.blue = blue
obj = RGB(1, "bad", 3) # 잘못된 타입
obj.red = "also bad" # 잘못된 타입