
#! python

# huge list making

nn=1000000
a = []
i=0

while i
#! python

# Using Lists as Stacks

stack = [3, 4, 5]
stack.append(6)
stack.append(7)
print stack

x=stack.pop()
print "popped ",x
print stack

x=stack.pop()
print "popped ",x
x=stack.pop()
print "popped 
