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Modify the exception handling in Java and Python.

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krahets
2023-04-23 03:41:39 +08:00
parent 7e59e2c7fb
commit 3590262c7e
14 changed files with 35 additions and 28 deletions
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6
codes/python/chapter_stack_and_queue/array_stack.py
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@ -26,12 +26,14 @@ class ArrayStack:
def pop(self) -> int:
"""出栈"""
assert not self.is_empty(), "栈为空"
if self.is_empty():
raise IndexError("栈为空")
return self.__stack.pop()
def peek(self) -> int:
"""访问栈顶元素"""
assert not self.is_empty(), "栈为空"
if self.is_empty():
raise IndexError("栈为空")
return self.__stack[-1]
def to_list(self) -> list[int]: