用户:Songya123

>>> '{: f}; {: f}'.format(3.14, -3.14) ' 3.140000; -3.140000' >>> '{: f}; {:f}'.format(3.14, -3.14) ' 3.140000; -3.140000' >>> '{0:#x}'.format(12) '0xc' >>> '{0:#d}'.format(12) '12' >>> '{0:#c}'.format(12) '\x0c' >>> '{0:d}'.format(12) '12' >>> '{0:c}'.format(12) '\x0c' >>> '{0:5}'.format(12) ' 12' >>> '{0:1>5}'.format(12) '11112' >>> '{:0>5}'.format(12) '00012' >>> '{0:0<5}'.format(12) '12000' >>> '{0:0^6}'.format(12) '001200' >>> s4 '001200'