def Fibbo_Sequence_Generator(): # Generates a fibonacci sequence with the size of ngi runFib = True while(runFib): n = int(input('How many numbers do you need? ')) if n > 0 : runFib = False series = [1] while len(series) < n: if len(series) == 1: series.append(1) else: series.append(series[-1] + series[-2]) for i in range(len(series)): # Convert the numbers to strings series[i] = str(series[i]) else: print('enter a valid number') return(', '.join(series)) # Return the sequence seperated by commas print(Fibbo_Sequence_Generator())