pyvo-lt.pdf

Transcript

1. Format
   

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2. name = input('Name: ')
   

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3. print('Hello ', end='')
   print(name, end='')
   print('!')
   

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4. print('Hello ' + name + '!')
   

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5. year = 2018
   print('Happy new year ' +
   year + '!')
   

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6. TypeError: must be
   str, not int
   

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7. 'Happy new year %d!' % (year,)
   

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8. 'Your name is %s' % (name,)
   'Hello %s and %s!' % (n1, n2)
   'Happy new year %d!' % (year,)
   

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9. 'Happy new year %s' % (year,)
   'pi = %d' % (3.14,)
   

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10. '%10s' % (3.14,)
    ' 3.14'
    

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11. C
    sprintf()
    

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12. print('Hello {0}!'.format(name))
    

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13. print(('Hello {0}! {0} is a nice'
    'name.').format(name))
    

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14. print('Hello {} and {}!'.format(n1, n2))
    

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15. '{:>10}'.format(3.14)
    ' 3.14'
    

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16. name = {
    'first': 'Honza',
    'last': 'Javorek',
    }
    print('Hi {first} {last}!'.format(**name))
    

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17. print('Hi {first} {last}!'.format(
    first='Honza',
    last='Javorek',
    ))
    

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18. a = {
    'street': 'Ostrovského',
    'no': '38a',
    }
    print('{a[street]} {a[no]}'.format(a=a))
    

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19. c = [50.0678996, 14.3953814]
    print('GPS: {c[0]};{c[1]}'.format(c=c))
    

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20. from datetime import datetime
    d = datetime(2018, 6, 20, 19, 0)
    print('{:%Y-%m-%d %H:%M}'.format(d))
    

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21. pyformat.info
    

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22. address = {
    'street': 'Ostrovského',
    'no': '38a',
    }
    coords = [50.0678996, 14.3953814]
    text = ('The address is: '
    '{address[street]}{address[no]}'
    '\n'
    'GPS: {coords[0]};'
    '{coords[1]}').format(address=address,
    coords=coords)
    print(text)
    

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23. text = (
    'The address is: '
    '{address[street]}{address[no]}'
    '\n'
    'GPS: {coords[0]};'
    '{coords[1]}'
    ).format(
    address=address,
    coords=coords
    )
    print(text)
    

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24. print((
    'The address is: '
    '{address[street]}{address[no]}\n'
    'GPS: {coords[0]};{coords[1]}').format(
    address=address, coords=coords
    )))))))!:!)!*&^%^FUUUUUUUUUU
    .format(
    address=address,
    coords=coords
    )
    

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25. name = 'Honza'
    year = 2018
    print(f'Hello {name}!')
    print(f'Happy {year}!')
    

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26. name = 'Honza'
    year = 2018
    print(f'Hello {name.upper()}!')
    print(f'Next: {year + 1}')
    

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27. theend = dict(
    cs='konec',
    en='the end',
    fr='el fin',
    )
    print(f"{theend['cs'].upper()}")
    

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