update information

task_handle/cmd_execution.py

@@ -0,0 +1,27 @@
+
+import os
+
+def execute_cmd(cmd:str) -> str:
+    """
+    Execute the command in the mac terminal.
+    
+    Parameters
+    ----------
+    cmd: str
+        The command to be executed.
+    
+    Returns
+    ----------
+    output: str
+        The output of the command.
+    """
+    # execute the command in the mac terminal.
+    # Alert!! The execution should be really careful, because it can be dangerous.
+    # It is recommended to use this in a sandbox environment.
+    try:
+        output = os.popen(cmd).read()
+    except Exception as e:
+        print("Error when executing command %s in terminal:" % cmd )
+        print("Error is:", e)
+        return False
+    return output