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191 \section{Tuples} |
191 \section{Tuples} |
192 Tuples are sequences just like Lists, but they are \textbf{immutable}, or items/elements cannot be changed in any way. |
192 Tuples are sequences just like Lists, but they are \textbf{immutable}, or items/elements cannot be changed in any way. |
193 \begin{lstlisting} |
193 \begin{lstlisting} |
194 In []: t = (1, 2, 3, 4, 5, 6, 7, 8) |
194 In []: t = (1, 2, 3, 4, 5, 6, 7, 8) |
195 \end{lstlisting} |
195 \end{lstlisting} |
196 \textbf{Note:} For tupels we use parantheses in place of square brackets, rest is same as lists. |
196 \textbf{Note:} For tuples we use parentheses in place of square brackets, rest is same as lists. |
197 \begin{lstlisting} |
197 \begin{lstlisting} |
198 In []: t[0] + t[3] + t[-1] # elements are accessed via indices |
198 In []: t[0] + t[3] + t[-1] # elements are accessed via indices |
199 Out[]: 13 |
199 Out[]: 13 |
200 In []: t[4] = 7 # ERROR: tuples are immutable |
200 In []: t[4] = 7 # ERROR: tuples are immutable |
201 \end{lstlisting} |
201 \end{lstlisting} |