#加载数据 defload_exdata(filename):data=[]withopen(filename,'r')asf:forlineinf.readlines():line=line.split(',')current=[int(item)foriteminline]#5.5277,9.1302data.append(current)returndata data=load_exdata('ex1data
Python allows you to assign values to multiple variables in one line. Python 允许您在一行中为多个变量赋值。 x, y, z = "Orange", "Banana", "Cherry" print(x) print(y) print(z) And you can assign the same value to multiple variables in one line. 您可以在一行中为多个变量分配相同的值...
>>>myvar=3>>>myvar+=2>>>myvar5>>>myvar-=1>>>myvar4"""This is a multiline comment.The following lines concatenate the two strings.""">>>mystring="Hello">>>mystring+=" world.">>>print mystring Hello world.# This swaps the variablesinoneline(!).# It doesn't violate strong typ...
By using the new-style string formatting (format() method), we can also print the multiple variables. Here, we have to specify the curly braces ({}) where we have to print the values and in the format() method, provide the multiple variables separated by the commas.Syntaxprint("{} {}...
youtube-dl - A command-line program to download videos from YouTube and other video sites. Editor Plugins and IDEs Emacs elpy - Emacs Python Development Environment. Vim jedi-vim - Vim bindings for the Jedi auto-completion library for Python. python-mode - An all in one plugin for turnin...
To set a breakpoint, select in the left margin of the code editor or right-click a line of code and select Breakpoint > Insert Breakpoint. A red dot appears on each line that has a set breakpoint. To remove a breakpoint, select the red dot or right-click the line of code and ...
In the example above, the variablejwas assigned to the string"shark", the variablekwas assigned to the float2.05, and the variablelwas assigned to the integer15. This approach to assigning multiple variables to multiple values in one line can keep your lines of code down, but make sure you...
Now check the individual value in Python Shell. >>> x = y = z = 1 >>> print(x) 1 >>> print(y) 1 >>> print(z) 1 >>> Alternatively, you can assign multiple values to multiple variables in a single line. Syntax: , , ..., = <expr>, <expr>, ..., <expr> Example: ...
E501 line-too-long E701 multiple-statements-on-one-line-colon E702 multiple-statements-on-one-line-semicolon E703 useless-semicolon E711 none-comparison E712 true-false-comparison E713 not-in-test E714 not-is-test E721 type-comparison ...
line=line.split(',') current=[int(item)foriteminline] #5.5277,9.1302 data.append(current) returndata data=load_exdata('ex1data2.txt'); data=np.array(data,np.int64) x=data[:,(0,1)].reshape((-1,2)) y=data[:,2].reshape((-1,1)) ...