Queues
=======
1.
Write a program to perform insert and delete operations on a Queue containing Members details as given in the following definition of item node:
member no integer
member name string
age integer
2.
Write a program to perform insert and delete operations on a Queue containing product details as given in the following definition of product node:
product no integer
product name string
product price float
product qty integer
3.
Write a program to perform insert and delete operations on a Queue containing mobile details as given in the following definition of mobile node:
mobile no integer
customer name string
mobile company string
mobile bal integer
#queue implementation using functions
#program to create a queue of product(pno,pname,qty,rate).
"""
Add product
delete product
display details
"""
product=[]
def Add_product():
pno=input("Enter product no. ")
pname=input("Enter name of the product ")
qty=int(input("Enter the quantity "))
rate=float(input("enter the price "))
p=(pno,pname,qty,rate)
product.append(p)
def del_product():
if(product==[]):
print("Underflow / product queue in empty")
else:
pno,pname,qty,rate=product.pop(0)
print("poped element is ")
print("product no. : ",pno,": product name: ",pname,": Quatity: ",qty,": Rate: ",rate)
def traverse():
if not (product==[]):
n=len(product)
for i in range(0,n):
print(product[i])
else:
print("Empty , No details to display")
while True:
print("1. Add details of product")
print("2. delete details of product")
print("3. Display details of product")
print("4. Exit")
ch=int(input("Enter your choice "))
if(ch==1):
Add_product()
elif(ch==2):
del_product()
elif(ch==3):
traverse()
elif(ch==4):
print("End")
break
else:
print("Invalid choice")
