100doors_Ambika.py

# Ambika Yadav
# MAT 594E : Open/ Close Doors 

doorlist = ["closed"]*100

for i in range(1,101):
	for j in range(1,101):
	 	if (j*i <100):	
			if(doorlist[(j*i)-1]=="closed"):
				 doorlist[(j*i)-1] ="open" ;
			else :
				 doorlist[(j*i)-1] ="closed";

for i in range(0,len(doorlist)):
	if (doorlist[i] == "open"):
		print("Door Number " + str(i+1) + " is " + doorlist[i]);