text: # function to ask for two student names and say they're in class
  def studentName():
      student1 = input("Enter Student name: ")
      student2 = input("Enter another Student name: ")
      print(student1 + " and " + student2 + " went to class.")
  
  # function to ask for grade and apply input extra credit
  def studentGrade():
      origGrade = int(input("What is your original grade? "))
      extraCredit = int(input("Enter your extra credit: "))
      print("Your total grade is " + str(origGrade + extraCredit))
  
  # function to add 3 input numbers together
  def totalSum():
      num1 = int(input("Enter a number: "))
      num2 = int(input("Enter another number: "))
      num3 = int(input("Enter a final number: "))
      sum = num1 + num2 + num3
      # the two options below output the same thing
      # print(str(num1) + " + " + str(num2) + " + " + str(num3) + " = " + str(sum))
      print(num1,"+",num2,"+",num3,"=", sum)
  
  # function to check if an input number is positive, negative, or 0
  def posOrNeg():
      userNum = int(input("Enter a number: "))
      if userNum < 0:
          print("Negative!")
      elif userNum > 0:
          print("Positive!")
      elif userNum == 0:
          print("You entered 0")
          
  studentName()
  studentGrade()
  totalSum()
  posOrNeg()