n50 calculator

total = 0 
ng50=0 
n50=0 
cursor = 0 
nums=[] 
with open('l.txt', 'r') as inp, open('output.txt', 'w') as outp: 
	for line in inp: 
		try: 
			num = float(line) 
			total+=num
			nums.append(num) 
			outp.write(line) 

		except ValueError: 
			print('{} is not a number!'.format(line)) 
	# nums = nums.sort()
	# print(sorted(nums))
	for c in sorted(nums,reverse=True):
		cursor+=c
		if(cursor>=int(total/2)):
			n50 = c
			break
	for c in sorted(nums,reverse=True):
		cursor+=c
		if(cursor>=4300000):
			ng50 = c
			break
		
		# if()
			
	print('Total of all numbers: {}'.format(total)) 
	print('n50: {}'.format(n50)) 
	print('ng50: {}'.format(ng50))