jak zkontrolovat, zda proměnná existuje v pythonu
#if the variable is local:
if 'myVar' in locals():
# myVar exists
#if the variable is global:
if 'myVar' in globals():
# myVar exists.
jak zkontrolovat, zda var existuje python
# for local
if 'myVar' in locals():
# myVar exists.
# for globals
if 'myVar' in globals():
# myVar exists.