parameters: (self, cmd)
docstring: Execute a normal python statement in user namespace.
docstring_summary: Execute a normal python statement in user namespace.
docstring_tokens: Execute a normal python statement in user namespace .
function: def ex(self, cmd):
          """Execute a normal python statement in user namespace."""
          with self.builtin_trap:
              exec(cmd, self.user_global_ns, self.user_ns)
function_tokens: def ex ( self , cmd ) : with self . builtin_trap : exec ( cmd , self . user_global_ns , self . user_ns )