报错“expected an indented block”,即“期望一个缩进的块”,为python中的缩进问题。 TabError: inconsistent use of tabs and spaces in indentation在缩进中使用不一致的制表符和空格。 原理 python中没有像C语言使用{}来表示从属关系,而是使用缩进表示上下级关系。 检查修改 检查下缩进不规范,少些或多些了一个空...
An indentation block is a block of code that is indented. Like when you use the if/else, the content inside each of them is indented. In Python this is required, in some other languages it isn't required but still may be practiced just for better structured code. Many people use a ...
for man in money: print man print len(money) 运行结果: D:\PF\Python> python test.py File "test.py", line 7 print man ^ IndentationError: expected an indented block 模式二: #coding:utf-8 money=["张总","王总","李总","刘经理","×××吴大妈","程序员的我"] for man in money: ...
Where in other programming languages the indentation in code is for readability only, the indentation in Python is very important. Python uses indentation to indicate a block of code. ExampleGet your own Python Server if5>2: print("Five is greater than two!") ...
即便是很有经验的Python程序员，也可能陷入陷阱当中。最常见的情况是tab和空格的混用会导致错误，或者缩进不对，而这是用肉眼无法分别的。在编译时会出现这样的错IndentationError:expected an indented block说明此处需要缩进，你只要在出现错误的那一行，按空格或Tab（但不能混用）键缩进就行。
Python Indentation In Python, code blocks don't have explicit begin/end or curly braces to mark beginning and end of the block. Instead, code blocks are defined by indentation. We will consider an extremely simplified subset of Python with only two types of statements....
“IndentationError:unindent does not match any outer indetation level” “IndentationError:expected an indented block” 一个‘:’出现后应该对应一个缩进。 代码示例: >>> a = 'test' >>> print(a) # 这里多了缩进 File "<stdin>", line 1 ...
s = ' ' * 5 + "Hello \n" + ' ' * 7 + "World"printreindent(s, 5)printreindent(s, 10)printaddSpaces(s, 2)printdelSpaces(s, 2)printnumOfSpaces(s)printunIndentBlock(s) 以上代码改写自Python Cookbook 3-12 概述: 对多行字符块进行缩进。其中reindent函数首先左对齐(删除空白),然后添加相...
Although, Indentation in blocks or functions is used to group them and to identify the block of code that is being executed. For example: def greet(name): print("Hello, " + name)Code language: Python (python) This code defines a function called “greet” that takes a single argument, ...
Description When in a jupyter notebook, with indentation set to tab, if you select a block of code and hit tab to indent it, it inserts spaces. If you're using python, this is obviously a problem, particularly on python3. Reproduce In ju...