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-rw-r--r--python3.html.markdown10
1 files changed, 4 insertions, 6 deletions
diff --git a/python3.html.markdown b/python3.html.markdown
index 971ca0a4..c77f644e 100644
--- a/python3.html.markdown
+++ b/python3.html.markdown
@@ -96,7 +96,7 @@ False or True #=> True
1 < 2 < 3 # => True
2 < 3 < 2 # => False
-# (is vs. ==) is checks if two variable refer to the same object, but == checks
+# (is vs. ==) is checks if two variable refer to the same object, but == checks
# if the objects pointed to have the same values.
a = [1, 2, 3, 4] # Point a at a new list, [1, 2, 3, 4]
b = a # Point b at what a is pointing to
@@ -256,8 +256,8 @@ empty_dict = {}
# Here is a prefilled dictionary
filled_dict = {"one": 1, "two": 2, "three": 3}
-# Note keys for dictionaries have to be immutable types. This is to ensure that
-# the key can be converted to a constant hash value for quick look-ups.
+# Note keys for dictionaries have to be immutable types. This is to ensure that
+# the key can be converted to a constant hash value for quick look-ups.
# Immutable types include ints, floats, strings, tuples.
invalid_dict = {[1,2,3]: "123"} # => Raises a TypeError: unhashable type: 'list'
valid_dict = {(1,2,3):[1,2,3]} # Values can be of any type, however.
@@ -423,7 +423,7 @@ else: # Optional clause to the try/except block. Must follow all except blocks
print("All good!") # Runs only if the code in try raises no exceptions
finally: # Execute under all circumstances
print("We can clean up resources here")
-
+
# Instead of try/finally to cleanup resources you can use a with statement
with open("myfile.txt") as f:
for line in f:
@@ -661,8 +661,6 @@ def double_numbers(iterable):
# Instead of generating and returning all values at once it creates one in each
# iteration. This means values bigger than 15 wont be processed in
# double_numbers.
-# Note range is a generator too. Creating a list 1-900000000 would take lot of
-# time to be made
# We use a trailing underscore in variable names when we want to use a name that
# would normally collide with a python keyword
range_ = range(1, 900000000)