tuple ============================== Examples in Python 3 ```python """ Creating tuples """ a = 1, 2 print(a) b = ("apple", 3) print(b) c = 1, 2, 3 print(c) # Nested d = ((1,2), (1,0), (2,4)) print(d) """ Using tuples to assing multiple values """ x, y = 42, 64 print(x) print(y) x, y = b print(x) print(y) """ Accessing tuples """ print(a[1]) print(b[0]) print(c[2]) print(d[0]) print(d[0][1]) """ Comparing tuples """ print((0,1) < (0,2)) print((1,0,30) < (1,1,3)) """ Using dict and tuple """ # Counting my_str = "Hello world!" counts = dict() for char in my_str: counts[char] = counts.get(char, 0) + 1 print(counts) # sort the list by value lst = list() for key, value in counts.items(): lst.append((value, key)) print(lst) lst.sort(reverse=True) print(lst) """ Tuples as keys """ my_dict = dict() my_dict[1,0] = "apple" my_dict[3,4] = "snake" print(my_dict) ``` Reference and read more ------------------------------ [Library - Tuples](https://docs.python.org/3/library/stdtypes.html?highlight=dict#tuples) [Tutorial - Tuples and Sequences](https://docs.python.org/3/tutorial/datastructures.html?highlight=tuple#tuples-and-sequences) Revision history ------------------------------ 2014-07-21 (sylvanas) PA1 First try.