formatting
导读:formatting?说明前后%和后面的参数数量不对应,比如File "<pyshell#37>", line 1, in <module>print '%f miles is the same as &f...
formatting?
说明前后%和后面的参数数量不对应,比如File "pyshell#37> ", line 1, in module> print '%f miles is the same as & f km' % (miles, kilometers)TypeError: not all arguments converted during string formatting后面有miles和kilometer两个参数,前面只有一个%f, 前后不一致; 如果改成print '%f miles is the same as %f km' % (miles, kilometers) 就可以了
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