Why does adding a trailing comma after an expression create a tuple with the expression\'s value? E.g. in this code:
There are some related questions about unpacking single-value tuples, but I\'d like to know if there is a preferred method in terms of readability for sharing and maintain开发者_运维知识库ing code. I\
I have a config file that contains a list of strings. I need to read these strings in order and store them in memory and I\'m going to be iterating over them many times when certain events take place.
When I print the tuple (u\'1S²\') I get the predicted output of 1S² However, when I print the tuple (u\'1S²\',u\'2S¹\') I get the ou开发者_运维知识库tput (u\'1S\\xb2\', u\'2S\\xb9\').
I have a code: print \"bug \" + data[str.find(data,\'%\')+2:-1] temp = data[str.find(data,\'%\')+2:-1] time.sleep(1)
What\'s going on with my Python variable? old_pos seems to be linked to pos: Code: pos = [7, 7] direction =开发者_Go百科 [1, 1]
I am trying to repr开发者_Python百科esent a hierarchy using namedtuple. Essentially, every node has three attributes relevant to the hierarchy: parent, leftChild and rightChild (they also have some at
I know this question has come up many times开发者_如何转开发 in different ways. But it is still not clear to me. Is there a way to achieve the following.
I have the following tuple of tuples: my_choices=( (\'1\',\'first choice\'), (\'2\',\'second choice\'), (\'3\',\'third choice\')
I am making an instructional video for C# 4.0 for beginning programmers. For every topic I introduce I include a practical example which the student could actually use, for instance, for the improved
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