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Gordo-Master.py
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"""
Pilas y Colas
"""
### Pilas / Stack (LIFO) ###
pila = list()
# Push
pila.append("python")
pila.append("C++")
pila.append("C#")
pila.append("PHP")
pila.append("Java")
print(pila)
# Pop
pila_item = pila[len(pila)-1]
print(pila_item)
del pila[len(pila)-1]
print(pila)
print(pila.pop())
print(pila)
### Cola / Queue (FIFO) ###
cola = list()
# enqueue
cola.append("Casa")
cola.append("Casita")
cola.append("Rancho")
cola.append("Palacio")
print(cola)
# dequeue
cola_item = cola[0]
print(cola_item)
del cola[0]
print(cola)
print(cola.pop(0))
print(cola)
# Metodo con deque de collections, mas optimo
from collections import deque
cola2 = deque()
cola2.append("Agua")
cola2.append("Fuego")
cola2.append("Tierra")
cola2.append("Aire")
print(cola2)
print(cola2.popleft())
print(cola2)
print(cola2.popleft())
print(cola2)
"""
Ejercicio Extra
"""
def navigator():
historial = []
historial_ad = []
while True:
action = input(
"Coloca una url o elige una de las opciónes: adelante/atrás/salir: "
).lower()
if action == "adelante":
if len(historial_ad) > 0:
historial.append(historial_ad.pop())
elif action == "atrás":
if len(historial) > 0:
historial_ad.append(historial.pop())
elif action == "salir":
print("Saliendo del programa...")
break
else:
historial.append(action)
historial_ad = []
if len(historial) > 0:
print(f"Pagina web actual: {historial[-1]}")
else:
print("Panel de inicio de navegación")
navigator()
def impresora(action: str ="", cola: list = []):
while True:
action = input(
"Ingrese 'imprimir', el nombre del documento o 'salir': "
)
if action == "imprimir":
if len(cola) > 0:
print(f"Imprimiendo documento: {cola.pop(0)}....")
elif action == "salir":
print("Saliendo del programa...")
break
else :
cola.append(action)
print(f"Documento: {action} agregado a la cola")
if len(cola) > 0:
print(f"Cola de impresión: {cola}")
else:
print("No hay documentos en cola...")
impresora()