Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
625 views
in Technique[技术] by (71.8m points)

boolean - How to set python variables to true or false?

I want to set a variable in Python to true or false. But the words true and false are interpreted as undefined variables:

#!/usr/bin/python
a = true; 
b = true;
if a == b:          
  print("same");

The error I get:

a = true
NameError: global name 'true' is not defined 

What is the python syntax to set a variable true or false?

Python 2.7.3

question from:https://stackoverflow.com/questions/12644075/how-to-set-python-variables-to-true-or-false

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)

First to answer your question, you set a variable to true or false by assigning True or False to it:

myFirstVar = True
myOtherVar = False

If you have a condition that is basically like this though:

if <condition>:
    var = True
else:
    var = False

then it is much easier to simply assign the result of the condition directly:

var = <condition>

In your case:

match_var = a == b

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...