def transfer(S):
T1 = stack_basic.LimitedStack()
T2 = stack_basic.LimitedStack()
while not S.isstackempty():
T1.stackpush(S.stackpop())
while not T1.isstackempty():
T2.stackpush(T1.stackpop())
while not T2.isstackempty():
S.stackpush(T2.stackpop())
return (S.data)
def sub1():
R=stack_basic.LimitedStack()
S=stack_basic.LimitedStack()
T=stack_basic.LimitedStack()
for i in range(1,4):
R.stackpush(i)
print (R.data)
for i in range(4,6):
S.stackpush(i)
for i in range(6,10):
T.stackpush(i)
print(stck6(R,S,T))
def reverse_1(list1):
s1 = stack_basic.LimitedStack()
for ele in list1:
s1.stackpush(ele)
list1 = []
while not s1.isstackempty():
list1.append(s1.stackpop())
return (list1)
def evaluatehtmltag(str):
stk = stack_basic.LimitedStack()
start = str.index('<')
while start != -1:
end = str.find('>', start + 1)
if end == -1:
return False
tok = str[start + 1:end]
if not tok.startswith('/'):
stk.stackpush(tok)
else:
if stk.isstackempty():
return False
if tok[1:] != stk.stackpop():
return False
start = str.find('<', end + 1)
return stk.isstackempty()
#1.Implement a function with signature transfer(S,T) that transfers all elements from Stack S onto Stack T, so that that elements that starts at the top of S is the first to be inserted into T, and element at the bottom of S ends up at the top of T.
import stack_basic
import random
S = stack_basic.LimitedStack()
T = stack_basic.LimitedStack()
def signtransfer(S, T):
yy = S.stackpush(20)
z = S.stackpush(30)
print(z)
y = S.stackpop()
a = S.stackpop()
print(y)
m = T.stackpush(y)
m = T.stackpush(a)
print(m)
signtransfer(S, T)
def __init__(self):
self.S = stack_basic.LimitedStack()
self.T = stack_basic.LimitedStack()
#4.Implement a transfer function and two temporary stacks, to replace the contents of a given stack S with those same elements, but in reverse order
import stack_basic
def transfer(S):
T1 = stack_basic.LimitedStack()
T2 = stack_basic.LimitedStack()
while not S.isstackempty():
T1.stackpush(S.stackpop())
while not T1.isstackempty():
T2.stackpush(T1.stackpop())
while not T2.isstackempty():
S.stackpush(T2.stackpop())
return (S.data)
stk = stack_basic.LimitedStack()
for i in range(1, 5):
stk.stackpush(i)
print(transfer(stk))