How to use 'python printf' in Python

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135def emit_printf(self, fmt: str, *args: str) -> None:
136 fmt = fmt.replace('\n', '\\n')
137 self.emit_line('printf(%s);' % ', '.join(['"%s"' % fmt] + list(args)))
138 self.emit_line('fflush(stdout);')

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9@native(name="Printf", ret=pfp.fields.Int)
10def printf(params, ctxt, scope, stream):
11 """Prints format string to stdout
13 :params: TODO
14 :returns: TODO
16 """
17 if len(params) == 1:
18 sys.stdout.write(PYVAL(params[0]))
19 return
21 to_print = PYVAL(params[0]) % tuple(PYVAL(x) for x in params[1:])
22 res = len(to_print)
23 sys.stdout.write(to_print)
24 sys.stdout.flush()
25 return res

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