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29 def input_float(prompt=''): 30 """Ask for a human float input. 31 32 Args: 33 prompt (string): Text to prompt as input. 34 """ 35 # try: 36 # return raw_input(prompt) 37 # except NameError: 38 # return input(prompt) 39 40 while True: 41 try: 42 float_input = float(input(prompt)) 43 except ValueError: 44 print('Please enter a float.\n') 45 continue 46 else: 47 break 48 return float_input