E129 (^) visually indented line with same indent as next logical line E131 (^) continuation line unaligned for hanging indent E133 (*) closing bracket is missing indentation E2 Whitespace E201 whitespace after '
(1) Go topythontutor.comand select a language. Here the user chose Java and wrote code to recursively create aLinkedList. (2) Press ‘Visualize’ to run the code. This code ran for 46 steps, where each step is one executed line of code. Go to any step (2a) and see what line of...
s(step into):进入函数内部 n(next):执行下一行 b(break): b line_number 打断点 cl(clear): 清除断点 c(continue): 一直执行到断点 r(return): 从当前函数返回 j(jump): j line_number,跳过代码片段,直接执行指定行号所在的代码 l(list): 列出上下文代码 a(argument): 列出传入函数所有的参数值 p/pp...
"""This is a test Python program.Written by Al Sweigart al@inventwithpython.com This program was designedforPython3,not Python2.""" defspam():"""This is a multiline comment to help explain what thespam()functiondoes."""print('Hello!') 索引和切片字符串 字符串和列表一样使用索引和切片。
SyntaxError: Non-ASCII character '\xe4' in file ./main.py on line 4, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details 解决⽅方法:在⽂文件头部添加正确的编码标识. $ cat main.py #!/usr/bin/env python # coding=utf-8 def main(): print "世界末...
E129 (^) visually indented line with same indent as next logical line E131 (^) continuation line unaligned for hanging indent E133 (*) closing bracket is missing indentation E2 Whitespace E201 whitespace after ‘(‘ E202 whitespace before ‘)’ ...
Python is a popular programming language. Python can be used on a server to create web applications. Start learning Python now » Learning by Examples With our "Try it Yourself" editor, you can edit Python code and view the result. ...
8 if/for/while语句中,即使执行语句只有一句,也必须另起一行。 四 注释 总体原则,错误的注释不如没有注释。所以当一段代码发生变化时,第一件事就是要修改注释! 注释必须使用英文,最好是完整的句子,首字母大写,句后要有结束符,结束符后跟两个空格,开始下一句。如果是短语,可以省略结束符。
Continue F5 Run code until you reach the next breakpoint. Step Into F11 Run the next statement and stop. If the next statement is a call to a function, the debugger stops at the first line of the called function. Step Over F10 Run the next statement, including making a call to a fun...
1nested_lists = [[1, 2], [[3, 4], [5, 6], [[7, 8], [9, 10], [[11, [12, 13]]] 2flatten = lambda x: [y for l in x for y in flatten(l)] if type(x) is list else [x] 3flatten(nested_lists) 4 5# This line of code is from 6# https://github.com/sahands...