5 examples of 'how do you start writing a for loop in python' in Python
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88 def visit_For(self, node): 89 self.make_tab() 90 self.write('for ') 91 self.visit(node.target) 92 self.write(' in ') 93 self._in_args = True 94 self.visit(node.iter) 95 self._in_args = False 96 self.write(':\n') 97 self._indent += 1 98 for n in node.body: 99 self.visit(n) 100 self._indent -= 1
104 def visit_For(self, node): 105 return "for {0} in ({1}:{2}) {{\n\t{3}\n}}".format(self.visit(node.iter), self.visit(node.lower), self.visit(node.upper), "\n\t".join(self.visit(node.body).split("\n")))
365 def FOR(self, node): 366 """ 367 Process bindings for loop variables. 368 """ 369 vars = [] 370 def collectLoopVars(n): 371 if hasattr(n, 'name'): 372 vars.append(n.name) 373 else: 374 for c in n.getChildNodes(): 375 collectLoopVars(c) 376 377 collectLoopVars(node.assign) 378 for varn in vars: 379 if (isinstance(self.scope.get(varn), Importation) 380 # unused ones will get an unused import warning 381 and self.scope[varn].used): 382 self.report(messages.ImportShadowedByLoopVar, 383 node.lineno, varn, self.scope[varn].source.lineno) 384 385 self.handleChildren(node)
285 def _For(self, t): 286 self.fill("for ") 287 self.dispatch(t.target) 288 self.write(" in ") 289 self.dispatch(t.iter) 290 self.body(t.body) 291 if t.orelse: 292 self.fill("else") 293 self.body(t.orelse)
383 def test_nested_for() -> None: 384 src = """ 385 for i in range(10): 386 for i in range(5): 387 print(i) 388 else: 389 print(i - 1) 390 else: 391 print(i + 1) 392 """ 393 cfg = build_cfg(src) 394 395 expected_blocks = [ 396 ["range(10)"], 397 ["i"], 398 ["range(5)"], 399 ["i"], 400 ["print(i)"], 401 ["print(i - 1)"], 402 ["print(i + 1)"], 403 [] 404 ] 405 assert expected_blocks == _extract_blocks(cfg) 406 407 expected_edges = [ 408 [["range(10)"], ["i"]], 409 [["i"], ["range(5)"]], 410 [["range(5)"], ["i"]], 411 [["i"], ["print(i)"]], 412 [["print(i)"], ["i"]], 413 [["i"], ["print(i - 1)"]], 414 [["print(i - 1)"], ["i"]], 415 [["i"], ["print(i + 1)"]], 416 [["print(i + 1)"], []] 417 ] 418 assert expected_edges == _extract_edges(cfg)