# Define a function which can generate a dictionary where the keys are numbers between 1 and 20 (both included) and the values are square of keys. The function should just print the keys only.
: 
 Solution
def printDict():
	d=dict()
	for i in range(1,21):
		d[i]=i**2
	for k in d.keys():	
		print k
		

printDict()


