使用pdb调试

pdb是python内置的一个调试库，是调试python代码的好帮手

import pdb
pdb.set_trace()

(Pdb) h
Documented commands (type help <topic>):
========================================
EOF    bt         cont      enable  jump  pp       run      unt
a      c          continue  exit    l     q        s        until
alias  cl         d         h       list  quit     step     up
args   clear      debug     help    n     r        tbreak   w
b      commands   disable   ignore  next  restart  u        whatis
break  condition  down      j       p     return   unalias  where

(Pdb) h c
c(ont(inue))
Continue execution, only stop when a breakpoint is encountered.

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Arroz que no se menea,se quema.