Home > In Python > Python Comment Syntax Error

Python Comment Syntax Error


Word for making your life circumstances seem much worse than they are Next number in sequence, understand the 1st mistake to avoid the 2nd Misuse of parentheses for multiplication What does For starters, when I open a script someone else started, if I hit the delete key I always delete 3-4 characters at a time instead of one. An identifier starts with a letter A to Z or a to z or an underscore (_) followed by zero or more letters, underscores and digits (0 to 9). Complex numbers are indicated with the J or j suffix, e.g. 3 + 4j. Check This Out

How do I install the latest OpenOffice? Interactive Mode Programming Invoking the interpreter without passing a script file as a parameter brings up the following prompt − $ python Python 2.4.3 (#1, Nov 11 2010, 13:34:43) [GCC 4.1.2 What happens if the user enters an integer such as 1, or 2? share|improve this answer edited Mar 19 '14 at 19:05 Peter Mortensen 10.3k1369107 answered Mar 24 '09 at 7:22 Christian Witts 7,3961735 add a comment| Not the answer you're looking for? http://stackoverflow.com/questions/19500953/syntax-error-invalid-syntax-when-trying-to-comment

Which Of The Following Is Invalid Commenting Style In Python Mcq

This is a nice trick to keep a console window open until the user is done with an application. Python's limited support for anonymous functions is the lambda construct. Which lane to enter on this roundabout? (UK) DDoS ignorant newbie question: Why not block originating IP addresses?

  • Among dynamically typed languages, Python is moderately type-checked.
  • In contrast with comments, docstrings are themselves Python objects and are part of the interpreted code that Python runs.
  • First check the area highlighted.
  • share|improve this answer answered Mar 7 '11 at 6:12 Harry 1,18211836 add a comment| up vote 1 down vote Another editor-based solution: text "rectangles" in Emacs.
  • Can I send ethereum to a contract outside of its constructor?
  • Any object can be used for any type, and it will work so long as it has the proper methods and attributes.
  • A static method has no special first argument.
  • Please use our new forums at discuss.codecademy.com.

The keys in a dictionary must be of an immutable Python type, such as an integer or a string, because under the hood they are implemented via a hash function. Alongside conventional integer and floating-point arithmetic, it transparently supports arbitrary-precision arithmetic, complex numbers, and decimal floating point numbers. This allows for many radical things to be done syntactically within Python. To Have A Block Of Code In Python What We Should Do To That Code The decorator pattern itself is trivially implementable in Python, because the language is duck typed, and so is not usually considered as such.[clarification needed] Easter eggs[edit] Users of curly bracket programming

Sign in to follow this Followers 0 Go To Topic Listing XPresso / Python Scripting Recently Browsing 0 members No registered users viewing this page. Which Of The Following Is Invalid Commenting Style In Python A) /* */ B) # C) ''' ''' D) The / operator was changed so that the quotient of two integers returned a float, but for backwards compatibility, this behavior had to be explicitly requested until Python 3.0. What is summer in Spanish? "Estío" vs "verano" Is it a Good UX to keep both star and smiley rating system as filters? http://stackoverflow.com/questions/675442/comment-out-a-python-code-block share|improve this answer edited Mar 19 '14 at 19:04 Peter Mortensen 10.3k1369107 answered Mar 23 '09 at 22:31 Jaime Soriano 5,38612542 add a comment| up vote 3 down vote Yes, there

These are reserved words and you cannot use them as constant or variable or any other identifier names. The Code Inside Comments Be Executed At Some Situations In Python If your editor does not have this feature, find one that does. The code simulator on this page doesn't recognize blank lines,\n or tab \t or print(' '). ''' Show 2 blank lines before printing to the console "Two Blank Lines" ''' print("\n\nTwo Nishantha May 1, 2014, 6:31 a.m.

Which Of The Following Is Invalid Commenting Style In Python A) /* */ B) # C) ''' ''' D)

Next question:\n") else: print (invalidanswerresult) useranswer = input("Question 5: What is the square root of 256? ") if useranswer.isdigit(): if useranswer == "16": print (rightanswerresult) amountright += 1 else: print ("Wrong, Something about Nintendo and Game Over Screen Misuse of parentheses for multiplication Can a nuclear detonation on Moon destroy life on Earth? Which Of The Following Is Invalid Commenting Style In Python Mcq Functional programming[edit] As mentioned above, another strength of Python is the availability of a functional programming style. Python Invalid Syntax In Comment Most Python IDEs support a mechanism to do the block-commenting-with-pound-signs automatically for you.

Prints "Hello" Maybe you are typing this outside any function and you might be getting something like this: print("This is not a comment") ''' print('This is a comment') ''' And may http://vealcine.com/in-python/raise-syntax-error-python.php You have just earned a new badge: Python Debugging (fixing problems) A guide for beginner programmers. The line should be: pvfactor = 1 / (1+r) ** n Now, with the change, we can see: Enter the amount to be received in the future: 100 Enter the rate Breaking effort on both Weak and Strong collision resistance hash values Rearrange colors in BarChart What to do with my pre-teen daughter who has been out of control since a severe The Code Inside Comments Be Executed At Some Situations

However, the iterated code block is just {a();}. These are a very simple concept and are very important to master. current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. this contact form python syntax comments python-idle share|improve this question edited Oct 22 '15 at 16:00 unutbu 385k46713826 asked Oct 22 '15 at 14:13 dioretsa 257 1 I'm not able to reproduce this.

What to do with my pre-teen daughter who has been out of control since a severe accident? How To Comment In Python Commenting a piece of code: def getline(): return sys.stdin.readline() # Get one line and return it Commenting a piece of code with multiple lines: def getline(): return sys.stdin.readline() """this function gets Try isolating different sections of code so that you can narrow down the problem.

share|improve this answer answered Mar 24 '09 at 7:35 Anonymous 1,90911322 My problem with triple quotes is that they actually are being checked for syntax.

Exceptions can also be used as a more general means of non-local transfer of control, even when an error is not at issue. With new-style classes, objects and types were unified, allowing the subclassing of types. Blocks of code are denoted by line indentation, which is rigidly enforced. Python Triple Quote TypeError A TypeError you might encounter may look like this: File "C:/Users/John/Documents/Teaching-BU/Python-debugging/test.py", line 2, in print "I am %d feet %d inches tall" % (5, 2, 5) TypeError: not all arguments

Many Python IDEs can add # for you on each selected line, and remove them when un-commenting too. Hot Network Questions What do you call this kind of door lock? Retrieved 2007-01-31. ^ a b Python in a nutshell, Alex Martelli, p. 134 ^ Alex Martelli (19 May 2003). "EAFP v. navigate here Case in point: if you had ''' /NPF ''' and run that in Python 3, it will throw a syntax error.

Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the webspiderls Feb. 1, 2014, 6:45 a.m. Logic (semantic) errors Semantic or logic errors are problems with the design of your program. Join them; it only takes a minute: Sign up Comment out a Python code block [duplicate] up vote 256 down vote favorite 47 This question already has an answer here: Why

Python also supports complex numbers natively. The way around this is to use a nonlocal b statement in bar. However, there is no implicit conversion between (e.g.) numbers and strings; a string is an invalid argument to a mathematical function expecting a number. command-line python share|improve this question edited Sep 23 '13 at 8:36 Andrea Corbellini 8,97713254 asked Sep 23 '13 at 5:19 Naive 68841322 I just copied and pasted your script

In version 2.2 of Python, "new-style" classes were introduced. The best solution is to avoid this problem by running your program after you write every few lines of code. print al ... >>> myfunc(alist) ['a', 'b', 'c', 'x'] >>> alist ['a', 'b', 'c', 'x'] Function "myfunc" changed the value of "alist" with the formal argument "al", which is an alias The slogan "We're all responsible users here" is used to describe this attitude.[16] Some consider information hiding to be unpythonic, in that it suggests that the class in question contains unaesthetic

The decorator pattern is a design pattern used in statically typed object-oriented programming languages to allow functionality to be added to objects at run time; Python decorators add functionality to functions Here are naming conventions for Python identifiers − Class names start with an uppercase letter. Interviewee offered code samples from current employer -- should I accept? Comparison operators[edit] The basic comparison operators such as ==, <, >=, and so forth are used on all manner of values.

Except the person who chooses to defy this definitive answer by using it to mean something else. –ArtOfWarfare Jul 23 '13 at 14:33 40 @ArtOfWarfare is correct, '#' is an Decorating a (dummy) __new__ method can modify a class, however.[26] Class decorators are supported[27] starting with Python 2.6. share|improve this answer answered Oct 21 '13 at 17:38 dpatro 10010 Well, I originally thought that.