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📜  如何检查 var 是否存在 python - TypeScript 代码示例

📅  最后修改于: 2022-03-11 14:48:37.691000             🧑  作者: Mango

代码示例2
# for local
if 'myVar' in locals():
  # myVar exists.
# for globals
if 'myVar' in globals():
  # myVar exists.