Queue using List in DSA Python

Program 1

#Queue implementation using List

queue=[] # empy list
def qinsert():
    n=int(input("Enter an element for insert"))
    queue.append(n)

def qdelete():
    if(len(queue)==0):
        print("Queue is empty")
    else:
        print("Deleted element is: ",queue[0])
        del queue[0]    

def qdisplay():
    if(len(queue)==0):
        print("Queue is empty")
    else:
        print("Elements of Queue")
        for element in queue:
            print(element)    

while(1):
    print("---------------------Queue Menu---------------------")
    print(" 1.Insert \n 2.Delete \n 3.Display \n 4.Exit")
    print("--------------------------------------------------------")
    choice=int(input("Enter your choice"))
    if(choice==1):
        qinsert()
    elif(choice==2):
        qdelete()
    elif(choice==3):
        qdisplay()
    elif(choice==4):
        break    
    else:
        print("Invalid choice")