Merge pull request #567 from realpython/python-lists-tuples-update

Sample code for the article on lists vs tuples

Author: brendaweles

python-lists-tuples/README.md

@@ -0,0 +1,3 @@
+# Lists vs Tuples in Python
+
+This folder provides the code examples for the Real Python tutorial [Lists vs Tuples in Python](https://realpython.com/python-lists-tuples/).

python-lists-tuples/create_lists_tuples.py

@@ -0,0 +1,17 @@
+colors = ["red", "green", "blue", "yellow"]
+print(colors)
+
+person = ("Jane Doe", 25, "Python Developer", "Canada")
+print(person)
+
+digits = list(range(10))
+print(digits)
+
+even_digits = [number for number in range(1, 10) if not number % 2]
+print(even_digits)
+
+print(["Pythonista", 7, False, 3.14159])
+print(("Pythonista", 7, False, 3.14159))
+
+print(list(range(1_000_000)))
+print(tuple(range(1_000_000)))

python-lists-tuples/functions.py

@@ -0,0 +1,5 @@
+numbers = [2, 7, 5, 4, 8]
+print(len(numbers))
+print(min(numbers))
+print(max(numbers))
+print(sum(numbers))

python-lists-tuples/list_methods.py

@@ -0,0 +1,19 @@
+a = ["a", "b"]
+a.append("c")
+print(a)
+
+a = ["a", "c"]
+a.insert(1, "b")
+print(a)
+
+a = ["a", "b", "c", "d", "e"]
+a.remove("b")
+print(a)
+a.remove("c")
+print(a)
+
+a = ["a", "b", "c", "d", "e"]
+a.pop()
+print(a)
+a.pop()
+print(a)

python-lists-tuples/nested_lists.py

@@ -0,0 +1,11 @@
+x = ["a", ["bb", ["ccc", "ddd"], "ee", "ff"], "g", ["hh", "ii"], "j"]
+
+print(x[0], x[2], x[4])
+
+print(x[1])
+print(x[3])
+
+print(x[1][0])
+print(x[1][1])
+print(x[1][2])
+print(x[1][3])

python-lists-tuples/operators.py

@@ -0,0 +1,7 @@
+words = ["foo", "bar", "baz", "qux", "quux", "corge"]
+print("qux" in words)
+print("py" in words)
+print("thud" not in words)
+
+print(words + ["grault", "garply"])
+print(words * 2)

python-lists-tuples/remove_items.py

@@ -0,0 +1,7 @@
+fruits = ["apple", "orange", "mango", "grape"]
+del fruits[0]  # Remove apple
+
+print(fruits)
+
+person = ("John Doe", 35, "Web Dev")
+# del person[1]  # Try to remove the age value

python-lists-tuples/slicing.py

@@ -0,0 +1,7 @@
+numbers = [1, 2, 3, 7]
+numbers[3:4] = [4, 5, 6, 7]
+print(numbers)
+
+numbers = [1, 2, 3, 7]
+numbers[3:3] = [4, 5, 6]
+print(numbers)

python-lists-tuples/unpacking.py

@@ -0,0 +1,21 @@
+t = ("foo", "bar", "baz", "qux")
+
+s1, s2, s3, s4 = t
+print(s1)
+print(s2)
+print(s3)
+print(s4)
+
+a = "foo"
+b = "bar"
+# Using a temporary variable
+temp = a
+a = b
+b = temp
+print(a, b)
+
+a = "foo"
+b = "bar"
+# Using unpacking
+a, b = b, a
+print(a, b)