Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 16:07:46) [MSC v.1900 32 bit (Intel)] on win32
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>>> for tens_digit in [0, 1, 2, 3, 4]:
	for ones_digit in [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]:
		print (tens_digit * 10 + ones_digit + 1)

		
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>>> 
