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Merge pull request #675 from adambrenecki/py3_format_fix

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[python3/en] Clean up confusion between % and .format()
This commit is contained in:
Levi Bostian 2014-07-16 09:56:13 -05:00
commit 8904faca28
1 changed files with 6 additions and 2 deletions
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python3.html.markdown
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@ -98,6 +98,10 @@ not False # => True
# You can use keywords if you don't want to count. # You can use keywords if you don't want to count.
"{name} wants to eat {food}".format(name="Bob", food="lasagna") #=> "Bob wants to eat lasagna" "{name} wants to eat {food}".format(name="Bob", food="lasagna") #=> "Bob wants to eat lasagna"
# If your Python 3 code also needs to run on Python 2.5 and below, you can also
# still use the old style of formatting:
"%s can be %s the %s way" % ("strings", "interpolated", "old")
# None is an object # None is an object
None # => None None # => None
@ -292,7 +296,7 @@ prints:
mouse is a mammal mouse is a mammal
""" """
for animal in ["dog", "cat", "mouse"]: for animal in ["dog", "cat", "mouse"]:
# You can use % to interpolate formatted strings # You can use format() to interpolate formatted strings
print("{} is a mammal".format(animal)) print("{} is a mammal".format(animal))
""" """
@ -471,7 +475,7 @@ class Human(object):
# An instance method. All methods take "self" as the first argument # An instance method. All methods take "self" as the first argument
def say(self, msg): def say(self, msg):
return "{name}: {message}" % (name=self.name, message=msg) return "{name}: {message}".format(name=self.name, message=msg)
# A class method is shared among all instances # A class method is shared among all instances
# They are called with the calling class as the first argument # They are called with the calling class as the first argument