Example: Floyd's Triangle in Python of Numbers using For loop

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# Floyd's Triangle in Python of Numbers using For loop

r, i, j, n = None, None, None, 1
# x - denotes the number of rows

print ("-----Kindly enter the number of rows to print Floyd's triangle number pattern-----")
r = int (input ())

print ("\n-----This is Floyd's triangle number pattern-----\n")

for i in range (1, r + 1):
	print (end="\t")
	for j in range (1, i + 1):
		print (n, end="\t")
		n = n + 1
	print (end="\n\n")