In [1]: '{0},{1}'.format('kzc',18)
Out[1]: 'kzc,18'
In [2]: '{},{}'.format('kzc',18)
Out[2]: 'kzc,18'
In [3]: '{1},{0},{1}'.format('kzc',18)
Out[3]: '18,kzc,18'
In [5]: '{name},{age}'.format(age=18,name='kzc')
Out[5]: 'kzc,18'
class Person:
def __init__(self,name,age):
self.name,self.age = name,age
def __str__(self):
return 'This guy is {self.name},is {self.age} old'.format(self=self)
In [2]: str(Person('kzc',18))
Out[2]: 'This guy is kzc,is 18 old'
In [7]: p=['kzc',18]
In [8]: '{0[0]},{0[1]}'.format(p)
Out[8]: 'kzc,18'
In [15]: '{:>8}'.format('189')
Out[15]: ' 189'
In [16]: '{:0>8}'.format('189')
Out[16]: '00000189'
In [17]: '{:a>8}'.format('189')
Out[17]: 'aaaaa189'
In [44]: '{:.2f}'.format(321.33345)
Out[44]: '321.33'
In [54]: '{:b}'.format(17)
Out[54]: '10001'
In [55]: '{:d}'.format(17)
Out[55]: '17'
In [56]: '{:o}'.format(17)
Out[56]: '21'
In [57]: '{:x}'.format(17)
Out[57]: '11'
In [47]: '{:,}'.format(1234567890)
Out[47]: '1,234,567,890'
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