Learn about the Python range() function and its capabilities with the help of examples. Updated Sep 16, 2024 · 7 min read Contents What is the range() Function in Python? Python range() Function Syntax Python range() Function Examples Conclusion The range() function is a very popular and...
range() 生成数据 next() 迭代器向下执行一次, 内部实际使用了__ next__()方法返回迭代器的下一个项目 iter() 获取迭代器, 内部实际使用的是__ iter__()方法来获取迭代器 for i in range(15,-1,-5): print(i) # 15 # 10 # 5 # 0 lst = [1,2,3,4,5] it = iter(lst) # __iter__...
函数range会产生一个不可变的数字序列,即range对象。我们同样可以help一下。 >>> help(range) Help on class range in module builtins: class range(object) | range(stop) -> range object | range(start, stop[, step]) -> range object | | Return an object that produces a sequence of integers...
Python Range is a built-in function that allows you to generate a sequence of numbers within a specified range effortlessly. Whether you need to iterate over a loop a certain number of times or create lists with specific values, Python Range has got you covered. Its simple syntax and ...
Help on built-in function range in module __builtin__:range(...)range(stop) -> list of integers range(start, stop[, step]) -> list of integers Return a list containing an arithmetic progression of integers.range(i, j) returns [i, i+1, i+2, ..., j-1]; start (!
range() Pythonrange()Function ❮ Built-in Functions ExampleGet your own Python Server Create a sequence of numbers from 0 to 5, and print each item in the sequence: x =range(6) forninx: print(n) Try it Yourself » Definition and Usage...
# <function fun2 at 0x000002687EA96F70> 1. 2. 3. 4. 5. 6. 7. 8. 9. 二.文档字符串——help() help()是Python中内置函数,通过help()函数可以查询Python中函数的用法 在定义函数时,可以在函数内部编写文档字符串,文档字符串就是对函数的说明 ...
If x is floating point, the conversion truncates towards zero.\nIf x is outside the integer range, the function returns a long instead.\n\nIf x is not a number or if base is given, then x must be a string or\nUnicode object representing an integer literal in the given base. The\...
range() Return Value Therange()function returns an immutable sequence of numbers. Example 1: range(stop) # create a sequence from 0 to 3 (4 is not included)numbers = range(4)# convert to list and print itprint(list(numbers))# Output: [0, 1, 2, 3] ...
range(10)[slice(1,5,2) = 1 3 取一个range()里面的切片. 41. enumerate() enumerate(iterable, start=0) /枚举. 一般在for循环语句中使用,用于遍历可迭代对象,enumerate函数返回一个迭代器,迭代器的__next__方法返回一个元组,元组的第一个元素是从0开始的计数值,第二个元素是计数值所对应的可迭代...