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ArrayList.py
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50 lines (38 loc) · 1.37 KB
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from array import array
class ArrayList:
# 리스트의 데이터 : 생성자에서 정의 및 초기화
def __init__(self,capacity=100):
self.capacity = capacity
self.array = [None]*capacity
self.size = 0
# 리스트의 연산 : 클래스의 메소드
def isEmpty(self ):
return self.size == 0
def isFull (self):
return self.size == self.capacity
def getEntry(self, pos):
if 0<= pos < self.size :
return self.array[pos]
else :
return None
def insert(self,pos,e):
if not self.isFull() and 0 <= pos <= self.size:
for i in range(self.size, pos, -1):
self.array[i] = self.array[i-1]
self.array[pos] = e
self.size += 1
else : pass
def delete(self, pos):
if not self.isEmpty() and 0 <= pos < self.size:
e = self.array[pos]
for i in range(pos, self.size - 1) :
self.array[i] = self.array[i+1]
self.size -= 1
return e
else : pass
def replace(self,pos,e):
if not self.isEmpty() and 0 <= pos < self.size: # pos가 유효한 범위 내에 있는지 확인
self.array[pos] = e # 해당 위치의 값을 새로운 값으로 교체
else : pass
def __str__(self):
return str(self.array[0:self.size])