def fun():
    tupleInFun = (1.5,2,7,0.3)
    return(tupleInFun)

def start():
    tupleInStart = fun()
    print(tupleInStart[0],tupleInStart[3])

    print("Iterating using a for-loop in conjunction with " + \
      "the 'in' operator")
    for element in tupleInStart:
        print("%.1f" %(element))
          
    print()
    i = 0
    numElements = len(tupleInStart)
    print("Iterating using a while-loop in conjunction with" \
      +" the len() function")
    while (i < numElements):
        print("%.1f" %(tupleInStart[i]))
        i = i + 1
    
start()