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print(" --- Digital Root Calculator --- \n")
def checkValidInput(value):
temp = value
if temp.isdigit():
if int(temp) > 9:
return True
return False
def shutDown(value):
if value.lower() == "quit" or value.lower() == "q":
print("\nCalculator shutting down...")
quit()
return False
def calculator():
print("Please input a multiple-digit number: (q to quit)")
value = input()
shutDown(value)
while(shutDown(value) == False):
number = value
while(checkValidInput(number) != True):
if not number.isdigit():
print("\nInput is invalid. Please input a multiple-digit number:")
elif int(number) <= 9:
print("\nInvalid digit. Please input a multiple-digit number:")
value = input()
number = value
shutDown(value)
checkValidInput(value)
total = str(number)
digital_root = total
array_calculation = []
while(len(total) != 1):
current_value = 0
for i in list(total):
array_calculation.append(str(i))
current_value += int(i)
total = str(current_value)
display_calculation = ""
for n in range(len(array_calculation)):
if n != len(array_calculation)-1:
display_calculation += str(array_calculation[n]) + " + "
else:
display_calculation += str(array_calculation[n]) + " = " + str(total)
print("\n" + display_calculation)
array_calculation = []
display_calculation = ""
print("\nThe digital root of {} is {}.".format(digital_root,total))
print("\nPlease input a multiple-digit number: (q to quit)")
value = input()
shutDown(value)
calculator()