my_dict = {"key1": "value1", "key2": "value2"}
try:
value = my_dict["key3"]
except KeyError:
print("Key not found in the dictionary.")
value = None
print(value)
Python语法出现keyerror错误解决方法
my_dict = {“key1”: “value1”, “key2”: “value2”} try: val
my_dict = {“key1”: “value1”, “key2”: “value2”} try: val
my_dict = {"key1": "value1", "key2": "value2"}
try:
value = my_dict["key3"]
except KeyError:
print("Key not found in the dictionary.")
value = None
print(value)