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10-liner: Digits Stacked Perfectly solution in Clear category for Digit Stack by Stensen
def digit_stack(commands, answer=0):
stack = []
for command in commands:
if 'PUSH' in command:
stack.append(int(command[-1]))
if stack and 'POP' in command:
answer += stack.pop()
if stack and 'PEEK' in command:
answer += stack[-1]
return answer
Oct. 31, 2020
