def delimiter_check(filename):
# TODO replace pass with an implementation that returns True
# if the delimiters (), [], and {} are balanced and False otherwise.
check = Stack()
with open(filename, 'r') as myfile:
to_check = myfile.read().replace('\n', '')
for n in to_check:
if n == '(' or n == '[' or n == '{':
check.push(n)
if n == ')' or n == ']' or n == '}':
m = check.pop()
if (m + n) == "()" or (m + n) == "[]" or (m + n) == "{}":
pass
else:
return False
if check.__len__() == 0:
return True
else:
return False
stack.push(1)
stack.push(2)
stack.push('oi')
stack.push('1.2')
stack.push(True)
stack.push('a')
#Print elements
print(stack)
#Erase two elements
stack.pop()
stack.pop()
#Print stack again
print(stack)
#Show queue size
print(stack.__len__())
#Check if stack is empty
print(stack.empty())
#Erase remaining elements
stack.pop()
stack.pop()
stack.pop()
stack.pop()
#Check again if stack is empty
print(stack.empty())
from Stack import Stack arr = Stack() arr.push(4) print(arr) arr.push(5) print(arr) arr.push(7) print(arr) arr.push(8) print(arr) arr.push(10) print(arr) arr.__len__() print(arr.__len__()) arr.__str__() print(arr.__str__()) print(arr.size()) # arr.pop() # print(arr) # arr.pop() # print(arr) # arr.pop() # print(arr) # arr.pop() # print(arr) # arr.pop() # print(arr) # arr.pop() # print(arr)
