# Functions - return

{% tabs %}
{% tab title="example.py" %}

```
def main():
  done = False
  while not done:
    print("Menu")
    print("D - Do Now")
    print("Q - Quit")
    print("e1 - Example1")
    print("e2 - Example2")
    print("e3 - Example3")
    print("p1 - Problem1")
    print("p2 - Problem2")
    print("p3 - Problem3")
    choice = input("Choice: ")
    if choice == "D":
        print("Do Now")
        base=int(input("Base?"))
        height=int(input("Height?"))
        donow(base,height)
    elif choice == "Q":
        print("Exiting Game!")
        done = True
    elif choice == "e1":
        base=int(input("Base?"))
        height=int(input("Height?"))
        area=e1(base,height)
        print(area)
    elif choice == "e2":
        base=int(input("Base?"))
        height=int(input("Height?"))
        length=int(input("Length?"))
        volume=e2(base,height,length)
        print(volume)
    elif choice == "e3":
        x1=int(input("x1?"))
        x2=int(input("x2?"))
        y1=int(input("y1?"))
        y2=int(input("y2?"))
        slope=e3(x1,x2,y1,y2)
        print(slope)

def donow(base,height):
  print (base*height*1/2)

def e1(base,height):
  return (base*height*1/2)

def e2(base,height,length):
  return (base*height*length)

def e3(x1,x2,y1,y2):
  return ((y2-y1)/(x2-x1))

main()

```

{% endtab %}

{% tab title="" %}

```python
def main():
  done = False
  while not done:
    print("Menu")
    print("D - Do Now")
    print("Q - Quit")
    print("e1 - Example 1")
    print("e2 - Example 2")
    print("e3 - Example 3")
    choice = input("Choice: ")
    if choice == "D":
        print("Do Now")
        base=int(input("Base?"))
        height=int(input("Height?"))
        donow(base,height)
    elif choice == "Q":
        print("Exiting Game!")
        done = True
    elif choice == "e1":
        base=int(input("Base?"))
        height=int(input("Height?"))
        area=e1(base,height)
        print(area)
    elif choice == "e2":
        base=int(input("Base?"))
        height=int(input("Height?"))
        length=int(input("Length?"))
        volume=e2(base,height,length)
        print(volume)
    elif choice == "e3":
        x1=int(input("x1?"))
        x2=int(input("x2?"))
        y1=int(input("y1?"))
        y2=int(input("y2?"))
        slope=e3(x1,x2,y1,y2)
        print(slope)

def donow(base,height):
  print (base*height*1/2)

def e1(base,height):
  return (base*height*1/2)

def e2(base,height,length):
  return (base*height*length)

def e3(x1,x2,y1,y2):
  return ((y2-y1)/(x2-x1))
  
main()

```

{% endtab %}
{% endtabs %}


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