1 files changed, 6 insertions, 18 deletions
diff --git a/python3.html.markdown b/python3.html.markdown
index 6e8d2460..f69ffb14 100644
--- a/python3.html.markdown
+++ b/python3.html.markdown
@@ -16,8 +16,6 @@ Python was created by Guido van Rossum in the early 90s. It is now one of the mo
 languages in existence. I fell in love with Python for its syntactic clarity. It's basically
 executable pseudocode.
 
-Feedback would be highly appreciated! You can reach me at [@louiedinh](http://twitter.com/louiedinh) or louiedinh [at] [google's email service]
-
 Note: This article applies to Python 3 specifically. Check out [here](http://learnxinyminutes.com/docs/python/) if you want to learn the old Python 2.7
 
 ```python
@@ -58,11 +56,12 @@ Note: This article applies to Python 3 specifically. Check out [here](http://lea
 2**3  # => 8
 
 # Enforce precedence with parentheses
+1 + 3 * 2  # => 7
 (1 + 3) * 2  # => 8
 
 # Boolean values are primitives (Note: the capitalization)
-True
-False
+True  # => True
+False  # => False
 
 # negate with not
 not True   # => False
@@ -138,20 +137,6 @@ b == a            # => True, a's and b's objects are equal
 # You can find the length of a string
 len("This is a string")  # => 16
 
-# .format can be used to format strings, like this:
-"{} can be {}".format("Strings", "interpolated")  # => "Strings can be interpolated"
-
-# You can repeat the formatting arguments to save some typing.
-"{0} be nimble, {0} be quick, {0} jump over the {1}".format("Jack", "candle stick")
-# => "Jack be nimble, Jack be quick, Jack jump over the candle stick"
-
-# 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")  # => "Strings can be interpolated the old way"
-
 # You can also format using f-strings or formatted string literals (in Python 3.6+)
 name = "Reiko"
 f"She said her name is {name}." # => "She said her name is Reiko"
@@ -394,6 +379,9 @@ filled_set | other_set  # => {1, 2, 3, 4, 5, 6}
 2 in filled_set   # => True
 10 in filled_set  # => False
 
+# Make a one layer deep copy
+filled_set = some_set.copy()  # filled_set is {1, 2, 3, 4, 5}
+filled_set is some_set        # => False
 
 
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