new file:   112_prime.py
	new file:   123_mult_table.py
	new file:   124_numPuzzleI.py
	new file:   126_NumberPuzzles2.py
	new file:   127_NumberPuzzles3.py
	new file:   128_NumberPuzzles4.py
	new file:   78_distance_formula.py
	new file:   euler_1.py
	new file:   euler_2.py