name = raw_input("Please enter your name, so that I know how to address you!" " ")
semester = int(raw_input("Nice to meet you" + " " + name + ", " + "please tell me, how many semesters have you completed?" " "))


if semester == 1 :
    num1 = float(input("Ok" + " " + name + ", " + "please enter your 1-st semester GPA: "))
    a = float(num1)/1
    if a >= 3.5 :
        print "Good job " + name + ", " + "your GPA is great!"
    if a > 3 and a <3.5 :
        print "Nice, but I am sure you can do better," + " " + name + "."
    if a <= 3 and a > 2 :
        print name + " " + "don't give up! You should try harder!"
    if a <= 2 :
        print name + " " + "you better work harder, or you will be on probation!"
    print name + "'s" + " overall GPA is" + " " + str(a)

elif semester == 2 :
    num1 = float(input("Ok" + " " + name + ", " + "please enter your 1-st semester GPA: "))
    num2 = float(input("Enter your 2-nd semester GPA: "))
    a = float(num1 + num2)/2
    if a >= 3.5 :
        print "Good job " + name + ", " + "your GPA is great!"
    if a > 3 and a <3.5 :
        print "Nice, but I am sure you can do better," + " " + name + "."
    if a <= 3 and a > 2 :
        print name + " " + "don't give up! You should try harder!"
    if a <= 2 :
        print name + " " + "you better work harder, or you will be on probation!"
    print name + "'s" + " overall GPA is" + " " + str(a)

elif semester == 3 :
    num1 = float(input("Ok" + " " + name + ", " + "please enter your 1-st semester GPA: "))
    num2 = float(input("Enter your 2-nd semester GPA: "))
    num3 = float(input("Enter your 3-rd semester GPA: "))
    a = float(num1 + num2 + num3)/3
    if a >= 3.5 :
        print ("Good job " + name + ", " + "your GPA is great!")
    if a > 3 and a <3.5 :
        print ("Nice, but I am sure you can do better," + " " + name + ".")
    if a <= 3 and a > 2 :
        print (name + " " + "don't give up! You should try harder!")
    if a <= 2 :
        print (name + " " + "you better work harder, or you will be on probation!")
    print(name + "'s" + " overall GPA is" + " " + str(a))

elif semester == 4 :
    num1 = float(input("Ok" + " " + name + ", " + "please enter your 1-st semester GPA: "))
    num2 = float(input("Enter your 2-nd semester GPA: "))
    num3 = float(input("Enter your 3-rd semester GPA: "))
    num4 = float(input("Enter your 4-th semester GPA: "))
    a = float(num1 + num2 + num3 + num4)/4
    if a >= 3.5 :
        print ("Good job " + name + ", " + "your GPA is great!")
    if a > 3 and a <3.5 :
        print ("Nice, but I am sure you can do better," + " " + name + ".")
    if a <= 3 and a > 2 :
        print (name + " " + "don't give up! You should try harder!")
    if a <= 2 :
        print (name + " " + "you better work harder, or you will be on probation!")
    print(name + "'s" + " overall GPA is" + " " + str(a))

elif semester == 5 :
    num1 = float(input("Ok" + " " + name + ", " + "please enter your 1-st semester GPA: "))
    num2 = float(input("Enter your 2-nd semester GPA: "))
    num3 = float(input("Enter your 3-rd semester GPA: "))
    num4 = float(input("Enter your 4-th semester GPA: "))
    num5 = float(input("Enter your 5-th semester GPA: "))
    a = float(num1 + num2 + num3 + num4 + num5)/5
    if a >= 3.5 :
        print ("Good job " + name + ", " + "your GPA is great!")
    if a > 3 and a <3.5 :
        print ("Nice, but I am sure you can do better," + " " + name + ".")
    if a <= 3 and a > 2 :
        print (name + " " + "don't give up! You should try harder!")
    if a <= 2 :
        print (name + " " + "you better work harder, or you will be on probation!")
    print(name + "'s" + " overall GPA is" + " " + str(a))

elif semester == 6 :
    num1 = float(input("Ok" + " " + name + ", " + "please enter your 1-st semester GPA: "))
    num2 = float(input("Enter your 2-nd semester GPA: "))
    num3 = float(input("Enter your 3-rd semester GPA: "))
    num4 = float(input("Enter your 4-th semester GPA: "))
    num5 = float(input("Enter your 5-th semester GPA: "))
    num6 = float(input("Enter your 6-th semester GPA: "))
    a = float(num1 + num2 + num3 + num4 + num5 + num6)/6
    if a >= 3.5 :
        print ("Good job " + name + ", " + "your GPA is great!")
    if a > 3 and a <3.5 :
        print ("Nice, but I am sure you can do better," + " " + name + ".")
    if a <= 3 and a > 2 :
        print (name + " " + "don't give up! You should try harder!")
    if a <= 2 :
        print (name + " " + "you better work harder, or you will be on probation!")
    print(name + "'s" + " overall GPA is" + " " + str(a))

elif semester == 7 :
    num1 = float(input("Ok" + " " + name + ", " + "please enter your 1-st semester GPA: "))
    num2 = float(input("Enter your 2-nd semester GPA: "))
    num3 = float(input("Enter your 3-rd semester GPA: "))
    num4 = float(input("Enter your 4-th semester GPA: "))
    num5 = float(input("Enter your 5-th semester GPA: "))
    num6 = float(input("Enter your 6-th semester GPA: "))
    num7 = float(input("Enter your 7-th semester GPA: "))
    a = float(num1 + num2 + num3 + num4 + num5 + num6 + num7)/7
    if a >= 3.5 :
        print ("Good job, " + name + ", " + "your GPA is great!")
    if a > 3 and a <3.5 :
        print ("Nice, but I am sure you can do better," + " " + name + ".")
    if a <= 3 and a > 2 :
        print (name + " " + "don't give up! You should try harder!")
    if a <= 2 :
        print (name + " " + "you better work harder, or you will be on probation!")
    print(name + "'s" + " overall GPA is" + " " + str(a))

elif semester == 8 :
    num1 = float(input("Ok" + " " + name + ", " + "please enter your 1-st semester GPA: "))
    num2 = float(input("Enter your 2-nd semester GPA: "))
    num3 = float(input("Enter your 3-rd semester GPA: "))
    num4 = float(input("Enter your 4-th semester GPA: "))
    num5 = float(input("Enter your 5-th semester GPA: "))
    num6 = float(input("Enter your 6-th semester GPA: "))
    num7 = float(input("Enter your 7-th semester GPA: "))
    num8 = float(input("Enter your 8-th semester GPA: "))
    a = float(num1 + num2 + num3 + num4 + num5 + num6 + num7 + num8)/8
    if a >= 3.5 :
        print ("Good job, " + name + ", " + "your GPA is great!")
    if a > 3 and a <3.5 :
        print ("Nice, but I am sure you can do better," + " " + name + ".")
    if a <= 3 and a > 2 :
        print (name + " " + "don't give up! You should try harder!")
    if a <= 2 :
        print (name + " " + "you better work harder, or you will be on probation!")
    print(name + "'s" + " overall GPA is" + " " + str(a))

else:
    print "Please enter a valid semester number e.g. 1,2,3,...7,8"

import sys
while True:
    print('Type q to exit.')
    response = input()
    if response == 'q':
        sys.exit()
        print('You typed ' + response + '.')