# Section 5.9 snippets
# 5.9 Searching Sequences

# List Method index
numbers = [3, 7, 1, 4, 2, 8, 5, 6]

numbers.index(5)

# Specifying the Starting Index of a Search
numbers *= 2

numbers

numbers.index(5, 7)

# Specifying the Starting and Ending Indices of a Search
numbers.index(7, 0, 4)

# Operators in and not in
1000 in numbers

5 in numbers

1000 not in numbers

5 not in numbers

# Using Operator in to Prevent a ValueError
key = 1000

if key in numbers:
    print(f'found {key} at index {numbers.index(key)}')
else:
    print(f'{key} not found')
    

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