Stupid methodology python--strings and text

Source: Internet
Author: User

1print variables

ABC = False

joke_string = "Isn ' t joke so funny?! %r

Print Joke_string%ABC

Results:

ISN ' t that joke so funny?! False

If you change it to the following:

Print Joke_string + ABC

Will error:

Traceback (most recent):
File "<stdin>", line 1, in <module>
Typeerror:cannot concatenate ' str ' and ' bool ' objects

2 Error: Not all arguments converted during string formatting

This error occurs because the number of formatted strings written by% is greater than the number of variables given.

For example:

>>> a=123
>>> b=234
>>> c=456

>>> print "%s,%s"% (a,b,c)

If:

>>> print "%s,%s"%a

It will be reported typeerror:not enough arguments for format string

Stupid methodology python--strings and text

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