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-rw-r--r--python3.html.markdown11
1 files changed, 5 insertions, 6 deletions
diff --git a/python3.html.markdown b/python3.html.markdown
index 2398e7ac..31b5bbe1 100644
--- a/python3.html.markdown
+++ b/python3.html.markdown
@@ -97,13 +97,13 @@ 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 variables 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
b is a # => True, a and b refer to the same object
b == a # => True, a's and b's objects are equal
-b = [1, 2, 3, 4] # Point a at a new list, [1, 2, 3, 4]
+b = [1, 2, 3, 4] # Point b at a new list, [1, 2, 3, 4]
b is a # => False, a and b do not refer to the same object
b == a # => True, a's and b's objects are equal
@@ -224,8 +224,8 @@ li.remove(2) # Raises a ValueError as 2 is not in the list
# Insert an element at a specific index
li.insert(1, 2) # li is now [1, 2, 3] again
-# Get the index of the first item found
-li.index(2) # => 3
+# Get the index of the first item found matching the argument
+li.index(2) # => 1
li.index(4) # Raises a ValueError as 4 is not in the list
# You can add lists
@@ -425,7 +425,6 @@ by step. If step is not indicated, the default value is 1.
prints:
4
6
- 8
"""
for i in range(4, 8, 2):
print(i)
@@ -689,7 +688,7 @@ i.age # => raises an AttributeError
# You can import modules
import math
-print(math.sqrt(16)) # => 4
+print(math.sqrt(16)) # => 4.0
# You can get specific functions from a module
from math import ceil, floor