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When I try to run the following code

a= """{"hi":"hello "} {user}"""
a.format({"user":"xxx"})

I get this error:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
KeyError: '"hi"'

Please let me know how to solve this problem, I have been trying for a long time.

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4
  • You are not passing a value for hi? What are you trying to acheive? Commented Feb 6, 2015 at 15:58
  • how about removing the " " from the "hi" Commented Feb 6, 2015 at 15:58
  • I cannot make any sense of your code. What do you want to achieve? From string to dictionary? Commented Feb 6, 2015 at 15:58
  • still don't understand what you want, what is a? Commented Feb 6, 2015 at 16:01

1 Answer 1

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You need to escape the { and } and then you need to pass keyword arguments to format, not a dict

a= """{{"hi":"hello "}} {user}"""
print a.format(**{"user":"xxx"})
print a.format(user="xxx")

output

{"hi":"hello "} xxx
{"hi":"hello "} xxx

Or if you are trying to get the string representation:

a= """{{"hi":"hello "}} {user}"""
print a.format(user=str({"user":"xxx"}))

output 

{"hi":"hello "} {'user': 'xxx'}
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2 Comments

what if a= """{"hi":{"hello ":"how"}} {user}""" and I need to print {"hi":{"hello":"how"}} xxx
You need to escape all of them, you would need to double all of the ones that aren't used for formatting. """{{"hi":{{"hello ":"how"}}}} {user}"""

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