# prices=[3,56,9,9,8,8,7]
# prices.pop(1)
# print(prices)

# prices=[6,7,8,9]
# prices.insert(2,5)
# print(prices)

# in dictionary pop or push

# square={0:0,1:1,2:4,3:9,4:16}
# square.pop(2)
# print(square)

# square={0:0,1:1,2:4,3:9,4:16}
# square.clear()
# print(square)


# square={0:0,1:1,2:4,3:9,4:16}
# square.popitem()
# print(square)

# push

