代码示例:(标识:python_ref_keyword_except_2)
python_ref_keyword_except_2.py
# (x > 3) will raise an error because x is a string and 3 is a number, and cannot be compared using a '>':

x = "hello"

try:
  x > 3
except NameError:
  print("You have a variable that is not defined.")
except TypeError:
  print("You are comparing values of different type")
运行结果: