s.pop()
s.push(2)
s.push('hey')
s.show()
s.push(True)
s.show()
s.push(34534)
a = s.show()
s.peek()
s.revstring()
#**************************************************************************
#Simple Balanced Parentheses
#**************************************************************************
#(5+6)∗(7+8)/(4+3)
def parChecker(symbolString):
s = Stack()
balanced = True
index = 0
while index < len(symbolString) and balanced:
symbol = symbolString[index]
if symbol == "(":
