feat(examples): list

Author: ashegde

codes/session_1/list.py

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+# Open terminal > python3
+# Start typing below commands and see the output
+
+a = [10, 20, 30, 40, 50]
+a # [10, 20, 30, 40, 50]
+a[0] # 10
+a[3] # 40
+a[-1] # 50
+a[0:3] # [10, 20, 30]
+a[3:5] # [40, 50]
+a[3:] # [40, 50]
+a[:2] # [10, 20]
+a[-2:] # [40, 50]
+a[:-2] # [10, 20, 30]
+
+a + [60, 70, 80, 90, 100]
+
+a[2] = 300 
+a # [10, 20, 300, 40, 50]
+
+a.append(250)
+a # [10, 20, 300, 40, 50, 250]
+
+letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g']
+letters
+
+# Replace some value in letters list
+letters[2:4] = ['C', 'D', 'E']
+letters # ['a', 'b', 'C', 'D', 'E', 'e', 'f', 'g']
+
+# Remove them
+letters[2:4] = []
+letters
+
+# Clear list
+letters[:] = []
+letters # []
+
+# Nested list
+a = [1, 2, 3]
+b = [4, 5, 6]
+x = [a, b]
+x # [[1, 2, 3], [4, 5, 6]]
+x[0] # [1, 2, 3]
+x[0][1] # 2
+
+
+
+
+
+