How to clear variables in ipython

Question

Sometimes I rerun a script within the same ipython session and I get bad surprises when variables haven t been cleared  How do I clear all variables  And is it possible to force this somehow every time I invoke the magic command  run   Thanks

User · Answer

Apart from the methods mentioned earlier  You can also use the command del to remove multiple variables  del variable1 variable2

User · Answer

An quit option in the Console Panel will also clear all variables in variable explorer       Note that you will be loosing all the code which you have run in Console Panel

User · Answer

Adding the following lines to a new script will clear all variables each time you rerun the script    from IPython import get ipython get ipython   magic  reset -sf      To make life easy  you can add them to your default template   In Spyder  Tools gt Preferences gt Editor gt Edit template

User · Answer

reset seems to clear defined variables

User · Answer

I tried    reset -f   and cleared all the variables and contents without prompt  -f does the force action on the given command without prompting for yes no   Wish this helps

User · Answer

EDITED after  ErdemKAYA comment   To erase a variable  use the magic command    reset selective  lt regular expression gt    The variables that are erased from the namespace are the one matching the given  lt regular expression gt    Therefore   reset selective -f a    will erase all the variables containing an a   Instead  to erase only a and not aa   In  a  aa   1  2 In   reset selective -f   a   In  a    raise NameError In  aa    returns 2   see as well  reset selective  for more examples and https   regexone com  for a regex tutorial   To erase all the variables in the namespace see    reset

User · Answer

In iPython you can remove a single variable like this   del x

[python] How to clear variables in ipython?

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