43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
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def linearSearch(data, value):
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for i in range(0, len(data)):
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if data[i] == value:
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return i
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return -1
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class ConfirmationError(Exception):
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pass
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numbers = []
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addingStage = True
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while addingStage:
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try:
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number = float(input('Please enter a number to add to the list'))
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numbers.append(number)
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while True:
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try:
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toContinue = input('Would you like to enter another number? (y/n)')
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if toContinue == 'y':
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break
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if toContinue == 'n':
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addingStage = False
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break
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else:
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raise ConfirmationError
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except ConfirmationError:
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print('Please make sure you enter a valid confirmation value!')
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except ValueError:
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print('Please make sure you enter a valid number!')
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while True:
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try:
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toSearch = float(input('Please enter a number to find the index of'))
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index = linearSearch(numbers, toSearch)
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print(numbers)
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if index == -1:
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print('%.2f is not in the list' % (toSearch))
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else:
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print('%.2f is at index %i in the list' % (toSearch, index))
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break
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except ValueError:
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print('Please make sure you enter a valid number!')
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