Note:The number of variables must match the number of values in the tuple, if not, you must use an asterisk to collect the remaining values as a list. Example Assign the rest of the values as a list called "red": fruits = ("apple","banana","cherry","strawberry","raspberry") ...
Everything you’ve learned so far about lists and tuples can help you decide when to use a list or a tuple in your code. Here’s a summary of when it would be appropriate to use a list instead of a tuple: Mutable collections: When you need to add, remove, or change elements in ...
The order in which you specify the elements when you define a list is an innate characteristic of that list and is maintained for that list’s lifetime. (You will see a Python data type that is not ordered in the next tutorial on dictionaries.)...
Tuples are immutable sequences typically used to store heterogeneous data. 查看元组的最佳方式是将其作为一个由多个不同部分组成的单个对象。 The best way to view tuples is as a single object that consists of several different parts. 元组在编程中有很多用途。 Tuples have many uses in Python progr...
We already know that we can unpack each of the things in each of these key-value tuples into two variables (say thing and count):>>> for item in things.items(): ... thing, count = item ... print(thing, count) ... ducks 2 lamps 3 chairs 0 ...
45:11# 12 ~ 16 字节是 py 文件的大小print( struct.unpack("<I", data[12: 16])[]) # 22结果和我们分析的一样，前 16 字节是固定的，而 16 个字节往后就是 PyCodeObject 对象，并且是序列化之后的，因为该对象显然无法直接存在文件中。import marshalwith open("__pycache__/tools.cpython-312....
Tuple unpacking isn't just for tuples. You can unpack any iterable using tuple unpacking. In fact, tuple unpacking is sometimes called iterable unpacking because it works with any iterable.You can also use a list-like syntax with tuple unpacking which can sometimes make your code a bit more...
py aString = "abc" aList = [ 1, 2, 3 ] aTuple = "a", "A", 1 # unpack sequences to variables print("Unpacking string...") first, second, third = aString print("String values:", first, second, third) print("\nUnpacking list...") first, second, third = aList print("...
6. Repetition and Concatenation of Tuples 要重复元组的所有元素,请将其乘以所需因子N。 重复 Tuple = ("a", "b") repeatedTuple = Tuple * 3 print (repeatedTuple) # ('a', 'b', 'a', 'b', 'a', 'b') 要连接/连接两个或多个元组,我们可以使用+运算符。
# You can do most of the list operations on tuples too len(tup) # => 3 tup + (4, 5, 6) # => (1, 2, 3, 4, 5, 6) tup[:2] # => (1, 2) 2 in tup # => True 我们可以用多个变量来解压一个tuple: # You can unpack tuples (or lists) into variables ...