Aligning With String Formatting

I wish to achieve this sort of output with string formatting: GBP......0.8639......0.8399 I have tried using the following code (i stands for currency and e[0] and e[1] are buy an

Solution 1:

As a generalized solution:

• Use this format string if you want the right column, center and left column to be aligned right, center and left respectively:

  >>> '{0:.<10}{1:.^10}{2:.>10}'.format('GBP', 0.8639, 0.8399)
  'GBP.........0.8639......0.8399'# Another example>>> '{0:.<10}{1:.^10}{2:.>10}'.format('GBPTEST', 0.90, 0.8)
  'GBPTEST......0.9...........0.8'

• OR, this format string if you want all the columns except rightmost column to be aligned right:

  >>> '{0:.<10}{1:.>10}{2:.>10}'.format('GBP', 0.8639, 0.8399)
  'GBP...........0.8639....0.8399'# Another example>>> '{0:.<10}{1:.>10}{2:.>10}'.format('GBPTEST', 0.90, 0.8)
  'GBPTEST..........0.9.......0.8'

• OR, this format string if you want all the columns to be aligned left:

  >>> '{0:.<10}{1:.<10}{2:<10}'.format('GBP', 0.8639, 0.8399)
  'GBP.......0.8639....0.8399    '# Another example>>> '{0:.<10}{1:.<10}{2:<10}'.format('GBPTEST', 0.90, 0.8)
  'GBPTEST...0.9.......0.8       '

Change the value of 10 for each param based on the size of column you need.

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Below will be the format string specific for the kind of params as mentioned in the question:

>>> '{i:.<10}{e[0]:.^10}{e[1]:.>10}'.format(i='GBP', e=(0.8639, 0.8399))
'GBP.........0.8639......0.8399'# Another example>>> '{i:.<10}{e[0]:.^10}{e[1]:.>10}'.format(i='GBPTEST', e=(0.90, 0.8))
'GBPTEST......0.9...........0.8'

Solution 2:

Increase the last number from 6 to 12.

"{i:.<10}{e[0]:.^6}{e[1]:.>12}".format(i=i, e=e)

This gives you

GBP.......0.8639......0.8399

Solution 3:

Your last two format specs only have a width of 6 and the values themselves are six digits, so there aren't any fill characters. If you want e[0] centered between i and e[1] with six dots on either side, construct the second format spec based on the length of e[0] - and don't specify a width for the other two.

>>>i = 'GPB'>>>e = (0.8639, 0.8399)>>>n = len(str(e[0]))>>>s = '{i:}{e[0]:.^' + str(12+n) + '}{e[1]:}'>>>s
'{i:}{e[0]:.^18}{e[1]:}'
>>>s.format(i = i, e = e)
'GPB......0.8639......0.8399'
>>>

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or

>>>i = 'GPB'>>>e = (0.8639, 0.8399)>>>s1 = '{{i:}}{{e[0]:.^{n:}}}{{e[1]:}}'>>>n = len(str(e[0])) + 12>>>s = s1.format(n=n)>>>s
'{i:}{e[0]:.^18}{e[1]:}'
>>>s.format(i = i, e = e)
'GPB......0.8639......0.8399'
>>>