Python interactive menu: square or triangle
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# SoloLearn interactive input demo (1309844)

menu_items = {
  1: 'print a square',
  2: 'print a triangle',
  3: 'quit'
}

def menu():
  for i in range(1,len(menu_items)+1):
    print(str(i) +':'+ menu_items[i])

def square(howbig):
  for i in range(howbig):
    print("*"*howbig)
  
def triangle(howtall):
  for i in range(1,howtall+1):
    print("*"*i)

print("-"*30+"\nAn interactive Python program. \nTap pencil to view/edit source.\n"+"-"*30)
while True:
  menu()
  try:
    sel = input("Which one? ")
    if sel == '1':
      howbig = int(input("How big (int)?"))
      square(howbig)
    if sel == '2':
      howtall = int(input("How tall (int)?"))
      triangle(howtall)
    if sel == '3':
      break
  except TypeError:
    print("Unknown type error...?")
  except ValueError:
    print("Please enter an integer size.")

print("See you later!")  
quit(0)
[Python Web] Interactive Input
