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-rw-r--r--python3.html.markdown8
1 files changed, 6 insertions, 2 deletions
diff --git a/python3.html.markdown b/python3.html.markdown
index 7657295d..bc0c05bd 100644
--- a/python3.html.markdown
+++ b/python3.html.markdown
@@ -98,6 +98,10 @@ not False # => True
# 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"
+# 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 # => None
@@ -292,7 +296,7 @@ prints:
mouse is a mammal
"""
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))
"""
@@ -471,7 +475,7 @@ class Human(object):
# An instance method. All methods take "self" as the first argument
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
# They are called with the calling class as the first argument