Stack via arrays (py)
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class Stack:
def __init__(self, data=0):
self.data = data
def push(self,data):
arr.append(data)
def pop(self):
arr.pop()
def peek(self):
print(arr[len(arr)-1])
if __name__ == '__main__':
arr = []
stack = Stack()
stack.push(5)
stack.push(10)
stack.push(15)
stack.peek()
stack.pop()
stack.peek()
Python
INFO