The answer is A it provided a shell for Ms-DOS
Answer:
Network administrator use the open system interconnection model to isolate the network problem as, the network administrator can easily find the problem in the system.
Network administrator regularly depicts issues by the layer number and in many cases the network problem required the network administrator to isolate the issue in which layer the maximum number of issue occurred.
By using the OSI layer, we can easily add protocols to its higher to lower layers without any type of interruption.
Answer:
Don't forget to close any parentheses you open. Other then that everything looks fine, I just polished it a little bit
Explanation:
name = input("What is your first name? ")
print("Hello", name)
age = int(input("How old are you? "))
print("In 10 years you will be", (age+10))
print("In 20 years you will be", (age+20))
print("5 years ago you were", (age-5))
