pyvo-lt.pdf

Transcript

1. Format
2. name = input('Name: ')
3. print('Hello ', end='') print(name, end='') print('!')
4. print('Hello ' + name + '!')
5. year = 2018 print('Happy new year ' + year + '!')
6. TypeError: must be str, not int
7. 'Happy new year %d!' % (year,)
8. 'Your name is %s' % (name,) 'Hello %s and %s!' % (n1, n2) 'Happy new year %d!' % (year,)
9. 'Happy new year %s' % (year,) 'pi = %d' % (3.14,)
10. '%10s' % (3.14,) ' 3.14'
11. C sprintf()
12. print('Hello {0}!'.format(name))
13. print(('Hello {0}! {0} is a nice' 'name.').format(name))
14. print('Hello {} and {}!'.format(n1, n2))
15. '{:>10}'.format(3.14) ' 3.14'
16. name = { 'first': 'Honza', 'last': 'Javorek', } print('Hi {first} {last}!'.format(**name))
17. print('Hi {first} {last}!'.format( first='Honza', last='Javorek', ))
18. a = { 'street': 'Ostrovského', 'no': '38a', } print('{a[street]} {a[no]}'.format(a=a))
19. c = [50.0678996, 14.3953814] print('GPS: {c[0]};{c[1]}'.format(c=c))
20. from datetime import datetime d = datetime(2018, 6, 20, 19, 0) print('{:%Y-%m-%d %H:%M}'.format(d))
21. pyformat.info
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)
23. text = ( 'The address is: ' '{address[street]}{address[no]}' '\n' 'GPS: {coords[0]};' '{coords[1]}' ).format( address=address, coords=coords ) print(text)
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 )
25. name = 'Honza' year = 2018 print(f'Hello {name}!') print(f'Happy {year}!')
26. name = 'Honza' year = 2018 print(f'Hello {name.upper()}!') print(f'Next: {year + 1}')
27. theend = dict( cs='konec', en='the end', fr='el fin', ) print(f"{theend['cs'].upper()}")