Modifying a list : Index « List « Python Tutorial






x = [1, 2, 3, 4]
x[1] = 42                # x is now [1, 42, 3, 4]
print x








7.12.Index
7.12.1.Indexing
7.12.2.Negative List Indices
7.12.3.Accessing a List
7.12.4.Specific items
7.12.5.use negative indices to access the list from the end rather than from the beginning.
7.12.6.When you use a negative index, Python counts from the right
7.12.7.If a function call returns a sequence, you can index it directly
7.12.8.The index method is used for searching lists to find the index of the first occurrence of a value
7.12.9.Parallel Iteration
7.12.10.Modifying a list
7.12.11.Accessing items in sublists