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# Author: OMKAR PATHAK

class Stack(object):

def __init__(self, limit = 10):

self.stack = []

self.limit = limit

# for printing the stack contents

def __str__(self):

return ' '.join([str(i) for i in self.stack])

# for pushing an element on to the stack

def push(self, data):

if len(self.stack) >= self.limit:

print('Stack Overflow')

else:

self.stack.append(data)

# for popping the uppermost element

def pop(self):

if len(self.stack) <= 0:

return -1

else:

return self.stack.pop()

# for peeking the top-most element of the stack

def peek(self):

if len(self.stack) <= 0:

return -1

else:

return self.stack[len(self.stack) - 1]

# to check if stack is empty

def isEmpty(self):

return self.stack == []

# for checking the size of stack

def size(self):

return len(self.stack)

if __name__ == '__main__':

myStack = Stack()

for i in range(10):

myStack.push(i)

print(myStack)

myStack.pop() # popping the top element

print(myStack)

myStack.peek() # printing the top element

myStack.isEmpty()

myStack.size()