OK, i’m using Python 2.7.3 and here is my code: I’m trying to modify the variable count inside the leng function. Here are the things that I’ve tried: If I put the variable count outside the lenRecur function it works fine the first time, but if I try again without restarting python shell, the count (obviously) doesn’t restart, so it
Tag: variables
Variable name gives Syntax error (Python)
I am having a problem with a simple program I made. For some reason the line num2 += num1 gives me a syntax error on num2. Answer You missed one ), closing parenthesis, here: should be
Only add to a dict if a condition is met
I am using urllib.urlencode to build web POST parameters, however there are a few values I only want to be added if a value other than None exists for them. That works fine, however if I make the orange variable optional, how can I prevent it from being added to the parameters? Something like this (pseudocode): I hope this was
How do I create an alias for a variable in Python?
Normal way: Aliased approach: How does one accomplish aliasing in Python? The reason I want to do this is to reduce cluttering due to long variable names. It’s a multi threaded environment, so simply copying to a local variable will not work. Answer The solution to this is to use getter and setter methods – fortunately Python has the property()
Global static variables in Python
I need to use list data in other functions, but I don’t want to enter raw_input everytime. How I can make data like a global static in c++ and put it everywhere where it needed? Answer Add the global keyword to your function: The global data statement is a declaration that makes data a global variable. After calling Input() you
Determine if Python variable is an instance of a built-in type
I need to determine if a given Python variable is an instance of native type: str, int, float, bool, list, dict and so on. Is there elegant way to doing it? Or is this the only way: Answer The best way to achieve this is to collect the types in a list of tuple called primitiveTypes and: The types module