CPT-135 Chap 7 Assignment

hmwk.py

def getInput(prompt):
    thing = input(prompt)
    print('You entered: %s\n' % thing)
    return thing

def getInputs():
    title = getInput('Enter a title for the data:\n')
    h1 = getInput('Enter the column 1 header:\n')
    h2 = getInput('Enter the column 2 header:\n')

    return title, h1, h2

def getDataPoint(strs, nums):
    dLine = input('Enter a data point (-1 to stop input):\n')
    segments = dLine.split(',')
    if dLine == '-1':
        return False

    if len(segments) == 1:
        print('Error: No comma in string.')
        return True

    if len(segments) > 2:
        print('Error: Too many commas in input.')
        return True

    dStr = segments[0]
    try:
        dNum = int(segments[1])
    except:
        print('Error: Comma not followed by an integer.')
        return True

    print('Data string: %s' % dStr)
    print('Data integer: %d' % dNum)
    strs.append(dStr)
    nums.append(dNum)
    return True

def printDataPoint(dStr, dNum):
    print('{:<20}|{:>23}'.format(dStr, dNum))

def printHistogram(dStr, dNum):
    print('{:>20} {:*<{dNum}}'.format(dStr, '', dNum = dNum))

title, h1, h2 = getInputs()
data_strings = []
data_numbers = []

while(getDataPoint(data_strings, data_numbers)):
    print('')

print('{:^44}'.format(title))
printDataPoint(h1, h2)
print('{:-^44}'.format(''))

for i in range(0, len(data_strings)):
    printDataPoint(data_strings[i], data_numbers[i])

print('')

for i in range(0, len(data_strings)):
    printHistogram(data_strings[i], data_numbers[i])