in the right way, or you may have errors that go unnoticed: @gen.coroutine def divide(x, y): return x / y def bad_call(): # This should raise a ZeroDivisionError, but it won't because # the RequestHandler, override RequestHandler.get_template_namespace): ### Python code def add(x, y): return x + y template.execute(add=add) ### The template {{ add(1, 2) }} We provide the functions escape() python for statement. {% break %} and {% continue %} may be used inside the loop. {% from *x* import *y* %} Same as the python import statement. {% if *condition* %}...{% elif *condition* %}...{% else %}

coroutines in the right way, or you may have errors that go unnoticed: async def divide(x, y): return x / y def bad_call(): # This should raise a ZeroDivisionError, but it won't because # the RequestHandler, override RequestHandler.get_template_namespace): ### Python code def add(x, y): return x + y template.execute(add=add) ### The template {{ add(1, 2) }} We provide the functions escape() python for statement. {% break %} and {% continue %} may be used inside the loop. {% from *x* import *y* %} Same as the python import statement. {% if *condition* %}...{% elif *condition* %}...{% else %}

coroutines in the right way, or you may have errors that go unnoticed: async def divide(x, y): return x / y def bad_call(): # This should raise a ZeroDivisionError, but it won't because # the RequestHandler, override RequestHandler.get_template_namespace): ### Python code def add(x, y): return x + y template.execute(add=add) ### The template {{ add(1, 2) }} We provide the functions escape() python for statement. {% break %} and {% continue %} may be used inside the loop. {% from *x* import *y* %} Same as the python import statement. {% if *condition* %}...{% elif *condition* %}...{% else %}

coroutines in the right way, or you may have errors that go unnoticed: @gen.coroutine def divide(x, y): return x / y def bad_call(): # This should raise a ZeroDivisionError, but it won't because # the coroutine RequestHandler, override RequestHandler.get_template_namespace): ### Python code def add(x, y): return x + y template.execute(add=add) ### The template {{ add(1, 2) }} We provide the functions escape() python for statement. {% break %} and {% continue %} may be used inside the loop. {% from *x* import *y* %} Same as the python import statement. {% if *condition* %}...{% elif *condition* %}...{% else %}

coroutines in the right way, or you may have errors that go unnoticed: async def divide(x, y): return x / y def bad_call(): # This should raise a ZeroDivisionError, but it won't because # the coroutine RequestHandler, override RequestHandler.get_template_namespace): ### Python code def add(x, y): return x + y template.execute(add=add) ### The template {{ add(1, 2) }} We provide the functions escape() python for statement. {% break %} and {% continue %} may be used inside the loop. {% from *x* import *y* %} Same as the python import statement. {% if *condition* %}...{% elif *condition* %}...{% else %}

coroutines in the right way, or you may have errors that go unnoticed: async def divide(x, y): return x / y def bad_call(): # This should raise a ZeroDivisionError, but it won't because # the RequestHandler, override RequestHandler.get_template_namespace): ### Python code def add(x, y): return x + y template.execute(add=add) ### The template {{ add(1, 2) }} We provide the functions escape() python for statement. {% break %} and {% continue %} may be used inside the loop. {% from *x* import *y* %} Same as the python import statement. {% if *condition* %}...{% elif *condition* %}...{% else %}

coroutines in the right way, or you may have errors that go unnoticed: async def divide(x, y): return x / y def bad_call(): # This should raise a ZeroDivisionError, but it won't because # the coroutine RequestHandler, override RequestHandler.get_template_namespace): ### Python code def add(x, y): return x + y template.execute(add=add) ### The template {{ add(1, 2) }} We provide the functions escape() python for statement. {% break %} and {% continue %} may be used inside the loop. {% from *x* import *y* %} Same as the python import statement. {% if *condition* %}...{% elif *condition* %}...{% else %}

coroutines in the right way, or you may have errors that go unnoticed: async def divide(x, y): return x / y def bad_call(): # This should raise a ZeroDivisionError, but it won't because # the coroutine RequestHandler, override RequestHandler.get_template_namespace): ### Python code def add(x, y): return x + y template.execute(add=add) ### The template {{ add(1, 2) }} We provide the functions escape() python for statement. {% break %} and {% continue %} may be used inside the loop. {% from *x* import *y* %} Same as the python import statement. {% if *condition* %}...{% elif *condition* %}...{% else %}

coroutines in the right way, or you may have errors that go unnoticed: async def divide(x, y): return x / y def bad_call(): # This should raise a ZeroDivisionError, but it won't because # the coroutine RequestHandler, override RequestHandler.get_template_namespace): ### Python code def add(x, y): return x + y template.execute(add=add) ### The template {{ add(1, 2) }} We provide the functions escape() python for statement. {% break %} and {% continue %} may be used inside the loop. {% from *x* import *y* %} Same as the python import statement. {% if *condition* %}...{% elif *condition* %}...{% else %}

coroutines in the right way, or you may have errors that go unnoticed: async def divide(x, y): return x / y def bad_call(): # This should raise a ZeroDivisionError, but it won't because # the coroutine RequestHandler, override RequestHandler.get_template_namespace): ### Python code def add(x, y): return x + y (continues on next page) 62 Chapter 6. Documentation Tornado Documentation, Release 6.2 python for statement. {% break %} and {% continue %} may be used inside the loop. {% from *x* import *y* %} Same as the python import statement. {% if *condition* %}...{% elif *condition* %}...{% else %}