OPERATORSTRINGS = ("+", "-", "*", "/")

def checkAll(position, operator, solution, target): # the main body of the program
	solutionString = ["0","1","2","3","4","5","6","7","8","9"]
	solutionthing = "None"
	solutionString[0] = "No solutions found."
	for i in range(10):
		solutionString[i] = ""
	solution = -1
	result = 0.0
	position = [None, 0, "zip"]
	operator = [None, 0, "zip"]
	for first in range(2,8):
		for second in range(first+1,9):
			for third in range(second+1,10):
				position[0] = first
				position[1] = second
				position[2] = third
				for i in range(4):
					for j in range(4):
						for k in range(4):
							operator[0] = i
							operator[1] = j
							operator[2] = k
							result = assessValue (position, operator)
							if result > target - 0.5 and result < target + 0.5:
								solution +=1
								solutionString[solution] = "Solution" +" "+ str(solution+1) + ":  " + getNumberStr(1, position[0]) +" "+ OPERATORSTRINGS[operator[0]] +" "+ getNumberStr(position[0], position[1]) +" "+ OPERATORSTRINGS[operator[1]] +" "+ getNumberStr(position[1], position[2]) +" "+ OPERATORSTRINGS[operator[2]] +" "+ getNumberStr(position[2], 10) + " = " + str(result)
	return(solutionString)

def assessValue(position, operator):  # asess the value of the expression
	result = 0.0
	number = ["Blah", "Goobah", "Doesn't", "Matter"]
	number[0] = getNumber(1, position[0])
	number[1] = getNumber(position[0], position[1])
	number[2] = getNumber(position[1], position[2])
	number[3] = getNumber(position[2], 10)
	result = operate(number[0], number[1], operator[0])
	result = operate(result, number[2], operator[1])
	result = operate(result, number[3], operator[2])
	return (result)


def operate(first, enext, operator):  # do the operation
	if (operator == 0):
		return (first + enext) # +
	elif (operator == 1):
		return (first - enext) # -
	elif (operator == 2): 
		return (first * enext) # *
	elif (operator == 3):
		return (first / enext) # /
	else:
		return (-9999999.999)


def getNumber (initialInt, finalInt):  # get a number from initialInt to FinalInt
	result = 0
	digits = finalInt - initialInt
	for i in range(digits):
		result += (initialInt + i) * tenPow(digits-i-1)
	return(result)

def getNumberStr (initialInt, finalInt):  # get a number from initialInt to FinalInt, then make it a string
	result = 0
	digits = finalInt - initialInt
	for i in range(digits):
		result += (initialInt + i) * tenPow(digits-i-1)
	result = str(result)
	return(result)

def tenPow(size):  # get power of ten
	result = 1
	for i in range(size):
		result = result * 10
	return (result)

def main(): # run the program
	pos = [None, 0, "zip"]
	ope = [None, 0, "zip"]
	sol = None
	tar = None
	while tar == None:
		try:
			tar = float(input("What year are you trying to achieve?: "))
		except:
			tar = None
			print("Invalid entry. Please try again.")
	checked = checkAll(pos, ope, sol, tar)
	print(checked[0])
	print(checked[1])
	print(checked[2])
	print(checked[3])
	print(checked[4])
	print(checked[5])
	print(checked[6])
	print(checked[7])
	print(checked[8])
	print(checked[9])
	input("Press enter... ")
	
	
	
	
	
main()