{"id":1078867,"date":"2025-01-08T12:15:34","date_gmt":"2025-01-08T04:15:34","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1078867.html"},"modified":"2025-01-08T12:15:37","modified_gmt":"2025-01-08T04:15:37","slug":"python%e4%b8%ad%e4%b8%ad%e4%b8%8d%e7%ad%89%e4%ba%8e%e5%a6%82%e4%bd%95%e8%a1%a8%e7%a4%ba-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1078867.html","title":{"rendered":"python\u4e2d\u4e2d\u4e0d\u7b49\u4e8e\u5982\u4f55\u8868\u793a"},"content":{"rendered":"

\"python\u4e2d\u4e2d\u4e0d\u7b49\u4e8e\u5982\u4f55\u8868\u793a\"<\/p>\n

\u5728Python\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u201c\u4e0d\u7b49\u4e8e\u201d\u8fd0\u7b97\u7b26\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u503c\u662f\u5426\u4e0d\u76f8\u7b49\u3002\u5728Python\u4e2d\u8868\u793a\u4e0d\u7b49\u4e8e\u7684\u8fd0\u7b97\u7b26\u662f !=<\/code><\/strong>\u3002\u8fd9\u4e2a\u8fd0\u7b97\u7b26\u7528\u4e8e\u5224\u65ad\u4e24\u4e2a\u8868\u8fbe\u5f0f\u7684\u503c\u662f\u5426\u4e0d\u540c\uff0c\u5982\u679c\u4e0d\u540c\u5219\u8fd4\u56de True<\/code>\uff0c\u5426\u5219\u8fd4\u56de False<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

a = 5<\/p>\n
b = 3<\/p>\n
if a != b:<\/p>\n
    print("a \u548c b \u662f\u4e0d\u76f8\u7b49\u7684")<\/p>\n
else:<\/p>\n
    print("a \u548c b \u662f\u76f8\u7b49\u7684")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0ca<\/code> \u548c b<\/code> \u7684\u503c\u5206\u522b\u662f 5 \u548c 3\uff0ca != b<\/code> \u5224\u65ad\u662f\u5426 5 \u4e0d\u7b49\u4e8e 3\uff0c\u7ed3\u679c\u4e3a True<\/code>\uff0c\u56e0\u6b64\u8f93\u51fa \u201ca \u548c b \u662f\u4e0d\u76f8\u7b49\u7684\u201d\u3002<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8Python\u4e2d\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26\u7684\u4f7f\u7528\uff0c\u5305\u62ec\u5176\u5e94\u7528\u573a\u666f\u3001\u4e0e\u5176\u4ed6\u6bd4\u8f83\u8fd0\u7b97\u7b26\u7684\u7ed3\u5408\u4f7f\u7528\u3001\u5728\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u4e2d\u7684\u4f7f\u7528\u7b49\u3002<\/p>\n<\/p>\n
\u4e00\u3001PYTHON \u4e2d\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26\u7684\u57fa\u672c\u4f7f\u7528<\/h3>\n<\/p>\n
Python \u4e2d\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code> \u662f\u4e00\u4e2a\u57fa\u672c\u7684\u6bd4\u8f83\u8fd0\u7b97\u7b26\uff0c\u7528\u4e8e\u5224\u65ad\u4e24\u4e2a\u503c\u662f\u5426\u4e0d\u76f8\u7b49\u3002\u5982\u679c\u4e24\u4e2a\u503c\u4e0d\u76f8\u7b49\uff0c\u5219\u8868\u8fbe\u5f0f\u8fd4\u56de True<\/code>\uff0c\u5426\u5219\u8fd4\u56de False<\/code>\u3002<\/p>\n<\/p>\n
x = 10<\/p>\n
y = 20<\/p>\n
if x != y:<\/p>\n
    print("x \u548c y \u4e0d\u76f8\u7b49")<\/p>\n
else:<\/p>\n
    print("x \u548c y \u76f8\u7b49")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cx<\/code> \u7684\u503c\u662f 10\uff0cy<\/code> \u7684\u503c\u662f 20\uff0c\u56e0\u6b64 x != y<\/code> \u5224\u65ad 10 \u662f\u5426\u4e0d\u7b49\u4e8e 20\uff0c\u7ed3\u679c\u4e3a True<\/code>\uff0c\u8f93\u51fa \u201cx \u548c y \u4e0d\u76f8\u7b49\u201d\u3002<\/p>\n<\/p>\n
1\u3001\u5728\u6761\u4ef6\u8bed\u53e5\u4e2d\u7684\u4f7f\u7528<\/strong><\/h4>\n<\/p>\n
\u5728\u6761\u4ef6\u8bed\u53e5\u4e2d\uff0c\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code> \u5e38\u7528\u4e8e\u63a7\u5236\u7a0b\u5e8f\u7684\u6267\u884c\u6d41\u7a0b\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
password = input("\u8bf7\u8f93\u5165\u5bc6\u7801\uff1a")<\/p>\n
if password != "123456":<\/p>\n
    print("\u5bc6\u7801\u9519\u8bef")<\/p>\n
else:<\/p>\n
    print("\u5bc6\u7801\u6b63\u786e")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7528\u6237\u8f93\u5165\u7684\u5bc6\u7801\u4e0e\u9884\u8bbe\u5bc6\u7801 "123456" \u8fdb\u884c\u6bd4\u8f83\uff0c\u5982\u679c\u4e0d\u76f8\u7b49\uff0c\u5219\u8f93\u51fa \u201c\u5bc6\u7801\u9519\u8bef\u201d\uff0c\u5426\u5219\u8f93\u51fa \u201c\u5bc6\u7801\u6b63\u786e\u201d\u3002<\/p>\n<\/p>\n
2\u3001\u5728\u5faa\u73af\u8bed\u53e5\u4e2d\u7684\u4f7f\u7528<\/strong><\/h4>\n<\/p>\n
\u5728\u5faa\u73af\u8bed\u53e5\u4e2d\uff0c\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code> \u5e38\u7528\u4e8e\u63a7\u5236\u5faa\u73af\u7684\u7ee7\u7eed\u6216\u7ec8\u6b62\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
number = 0<\/p>\n
while number != 5:<\/p>\n
    number = int(input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57\uff08\u8f93\u5165 5 \u7ed3\u675f\uff09\uff1a"))<\/p>\n
    print("\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f\uff1a", number)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7a0b\u5e8f\u4f1a\u4e0d\u65ad\u8981\u6c42\u7528\u6237\u8f93\u5165\u6570\u5b57\uff0c\u76f4\u5230\u8f93\u5165\u7684\u6570\u5b57\u4e3a 5 \u65f6\uff0c\u5faa\u73af\u7ed3\u675f\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4e0e\u5176\u4ed6\u6bd4\u8f83\u8fd0\u7b97\u7b26\u7684\u7ed3\u5408\u4f7f\u7528<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code> \u5e38\u4e0e\u5176\u4ed6\u6bd4\u8f83\u8fd0\u7b97\u7b26\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6761\u4ef6\u5224\u65ad\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
1\u3001\u4e0e\u5927\u4e8e\u3001\u5c0f\u4e8e\u8fd0\u7b97\u7b26\u7ed3\u5408<\/strong><\/h4>\n<\/p>\n
age = int(input("\u8bf7\u8f93\u5165\u4f60\u7684\u5e74\u9f84\uff1a"))<\/p>\n
if age != 18 and age < 30:<\/p>\n
    print("\u4f60\u4e0d\u662f18\u5c81\uff0c\u5e76\u4e14\u5c0f\u4e8e30\u5c81")<\/p>\n
else:<\/p>\n
    print("\u4f60\u662f18\u5c81\u6216\u8005\u5df2\u7ecf30\u5c81\u53ca\u4ee5\u4e0a")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7a0b\u5e8f\u4f1a\u5224\u65ad\u7528\u6237\u7684\u5e74\u9f84\u662f\u5426\u4e0d\u7b49\u4e8e18\uff0c\u5e76\u4e14\u5c0f\u4e8e30\u5c81\uff0c\u5982\u679c\u6761\u4ef6\u6210\u7acb\u5219\u8f93\u51fa\u76f8\u5e94\u4fe1\u606f\u3002<\/p>\n<\/p>\n
2\u3001\u4e0e\u7b49\u4e8e\u8fd0\u7b97\u7b26\u7ed3\u5408<\/strong><\/h4>\n<\/p>\n
color = input("\u8bf7\u8f93\u5165\u4f60\u559c\u6b22\u7684\u989c\u8272\uff1a")<\/p>\n
if color != "\u84dd\u8272" and color == "\u7ea2\u8272":<\/p>\n
    print("\u4f60\u4e0d\u559c\u6b22\u84dd\u8272\uff0c\u4f46\u662f\u559c\u6b22\u7ea2\u8272")<\/p>\n
else:<\/p>\n
    print("\u4f60\u53ef\u80fd\u559c\u6b22\u84dd\u8272\uff0c\u6216\u8005\u4e0d\u559c\u6b22\u7ea2\u8272")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7a0b\u5e8f\u4f1a\u5224\u65ad\u7528\u6237\u8f93\u5165\u7684\u989c\u8272\u662f\u5426\u4e0d\u7b49\u4e8e\u84dd\u8272\uff0c\u5e76\u4e14\u7b49\u4e8e\u7ea2\u8272\uff0c\u5982\u679c\u6761\u4ef6\u6210\u7acb\u5219\u8f93\u51fa\u76f8\u5e94\u4fe1\u606f\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5728\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u4e2d\u7684\u4f7f\u7528<\/h3>\n<\/p>\n
\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code> \u53ef\u4ee5\u7528\u4e8e\u6bd4\u8f83\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u5143\u7ec4\u3001\u5b57\u5178\u7b49\u3002<\/p>\n<\/p>\n
1\u3001\u6570\u5b57\u7c7b\u578b<\/strong><\/h4>\n<\/p>\n
a = 10<\/p>\n
b = 20<\/p>\n
print(a != b)  # True<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6bd4\u8f83\u4e24\u4e2a\u6574\u6570\u662f\u5426\u4e0d\u76f8\u7b49\uff0c\u7ed3\u679c\u4e3a True<\/code>\u3002<\/p>\n<\/p>\n
2\u3001\u5b57\u7b26\u4e32\u7c7b\u578b<\/strong><\/h4>\n<\/p>\n
str1 = "hello"<\/p>\n
str2 = "world"<\/p>\n
print(str1 != str2)  # True<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6bd4\u8f83\u4e24\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u4e0d\u76f8\u7b49\uff0c\u7ed3\u679c\u4e3a True<\/code>\u3002<\/p>\n<\/p>\n
3\u3001\u5217\u8868\u7c7b\u578b<\/strong><\/h4>\n<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = [4, 5, 6]<\/p>\n
print(list1 != list2)  # True<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6bd4\u8f83\u4e24\u4e2a\u5217\u8868\u662f\u5426\u4e0d\u76f8\u7b49\uff0c\u7ed3\u679c\u4e3a True<\/code>\u3002<\/p>\n<\/p>\n
4\u3001\u5143\u7ec4\u7c7b\u578b<\/strong><\/h4>\n<\/p>\n
tuple1 = (1, 2, 3)<\/p>\n
tuple2 = (4, 5, 6)<\/p>\n
print(tuple1 != tuple2)  # True<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6bd4\u8f83\u4e24\u4e2a\u5143\u7ec4\u662f\u5426\u4e0d\u76f8\u7b49\uff0c\u7ed3\u679c\u4e3a True<\/code>\u3002<\/p>\n<\/p>\n
5\u3001\u5b57\u5178\u7c7b\u578b<\/strong><\/h4>\n<\/p>\n
dict1 = {"a": 1, "b": 2}<\/p>\n
dict2 = {"a": 3, "b": 4}<\/p>\n
print(dict1 != dict2)  # True<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6bd4\u8f83\u4e24\u4e2a\u5b57\u5178\u662f\u5426\u4e0d\u76f8\u7b49\uff0c\u7ed3\u679c\u4e3a True<\/code>\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26\u7684\u5b9e\u9645\u5e94\u7528<\/h3>\n<\/p>\n
\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code> \u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u7279\u522b\u662f\u5728\u6570\u636e\u9a8c\u8bc1\u3001\u9519\u8bef\u5904\u7406\u3001\u903b\u8f91\u5224\u65ad\u7b49\u65b9\u9762\u3002<\/p>\n<\/p>\n
1\u3001\u6570\u636e\u9a8c\u8bc1<\/strong><\/h4>\n<\/p>\n
\u5728\u6570\u636e\u9a8c\u8bc1\u8fc7\u7a0b\u4e2d\uff0c\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code> \u5e38\u7528\u4e8e\u68c0\u67e5\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u662f\u5426\u7b26\u5408\u9884\u671f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
username = input("\u8bf7\u8f93\u5165\u7528\u6237\u540d\uff1a")<\/p>\n
if username != "":<\/p>\n
    print("\u7528\u6237\u540d\u5df2\u8f93\u5165")<\/p>\n
else:<\/p>\n
    print("\u7528\u6237\u540d\u4e0d\u80fd\u4e3a\u7a7a")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7a0b\u5e8f\u4f1a\u68c0\u67e5\u7528\u6237\u8f93\u5165\u7684\u7528\u6237\u540d\u662f\u5426\u4e0d\u4e3a\u7a7a\uff0c\u5982\u679c\u4e0d\u4e3a\u7a7a\u5219\u8f93\u51fa \u201c\u7528\u6237\u540d\u5df2\u8f93\u5165\u201d\uff0c\u5426\u5219\u8f93\u51fa \u201c\u7528\u6237\u540d\u4e0d\u80fd\u4e3a\u7a7a\u201d\u3002<\/p>\n<\/p>\n
2\u3001\u9519\u8bef\u5904\u7406<\/strong><\/h4>\n<\/p>\n
\u5728\u9519\u8bef\u5904\u7406\u8fc7\u7a0b\u4e2d\uff0c\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code> \u5e38\u7528\u4e8e\u68c0\u67e5\u64cd\u4f5c\u7ed3\u679c\u662f\u5426\u5b58\u5728\u9519\u8bef\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
result = some_function()<\/p>\n
if result != "error":<\/p>\n
    print("\u64cd\u4f5c\u6210\u529f")<\/p>\n
else:<\/p>\n
    print("\u64cd\u4f5c\u5931\u8d25")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7a0b\u5e8f\u4f1a\u68c0\u67e5\u51fd\u6570 some_function<\/code> \u7684\u8fd4\u56de\u7ed3\u679c\u662f\u5426\u4e0d\u7b49\u4e8e "error"\uff0c\u5982\u679c\u4e0d\u7b49\u4e8e\u5219\u8f93\u51fa \u201c\u64cd\u4f5c\u6210\u529f\u201d\uff0c\u5426\u5219\u8f93\u51fa \u201c\u64cd\u4f5c\u5931\u8d25\u201d\u3002<\/p>\n<\/p>\n
3\u3001\u903b\u8f91\u5224\u65ad<\/strong><\/h4>\n<\/p>\n
\u5728\u903b\u8f91\u5224\u65ad\u8fc7\u7a0b\u4e2d\uff0c\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code> \u5e38\u7528\u4e8e\u5b9e\u73b0\u590d\u6742\u7684\u6761\u4ef6\u5224\u65ad\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
score = int(input("\u8bf7\u8f93\u5165\u4f60\u7684\u5206\u6570\uff1a"))<\/p>\n
if score != 100 and score >= 60:<\/p>\n
    print("\u4f60\u7684\u5206\u6570\u4e0d\u7b49\u4e8e100\uff0c\u5e76\u4e14\u53ca\u683c\u4e86")<\/p>\n
else:<\/p>\n
    print("\u4f60\u7684\u5206\u6570\u662f100\u6216\u8005\u4e0d\u53ca\u683c")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7a0b\u5e8f\u4f1a\u5224\u65ad\u7528\u6237\u8f93\u5165\u7684\u5206\u6570\u662f\u5426\u4e0d\u7b49\u4e8e100\uff0c\u5e76\u4e14\u5927\u4e8e\u7b49\u4e8e60\u5206\uff0c\u5982\u679c\u6761\u4ef6\u6210\u7acb\u5219\u8f93\u51fa\u76f8\u5e94\u4fe1\u606f\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n
\u5c3d\u7ba1\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code> \u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u4f46\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u9700\u8981\u6ce8\u610f\u4e00\u4e9b\u4e8b\u9879\uff0c\u4ee5\u907f\u514d\u6f5c\u5728\u7684\u9519\u8bef\u3002<\/p>\n<\/p>\n
1\u3001\u6570\u636e\u7c7b\u578b\u7684\u517c\u5bb9\u6027<\/strong><\/h4>\n<\/p>\n
\u5728\u6bd4\u8f83\u4e24\u4e2a\u503c\u662f\u5426\u4e0d\u76f8\u7b49\u65f6\uff0c\u786e\u4fdd\u5b83\u4eec\u7684\u6570\u636e\u7c7b\u578b\u662f\u517c\u5bb9\u7684\u3002\u4f8b\u5982\uff0c\u4e0d\u8981\u5c1d\u8bd5\u6bd4\u8f83\u4e00\u4e2a\u5b57\u7b26\u4e32\u548c\u4e00\u4e2a\u6574\u6570\uff1a<\/p>\n<\/p>\n
string_value = "10"<\/p>\n
integer_value = 10<\/p>\n
\u8fd9\u5c06\u5bfc\u81f4\u9519\u8bef<\/strong><\/h2>\n
print(string_value != integer_value)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b57\u7b26\u4e32 "10" \u548c\u6574\u6570 10 \u662f\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u76f4\u63a5\u6bd4\u8f83\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002<\/p>\n<\/p>\n
2\u3001\u907f\u514d\u6d6e\u70b9\u6570\u6bd4\u8f83<\/strong><\/h4>\n<\/p>\n
\u6d6e\u70b9\u6570\u5728\u8ba1\u7b97\u673a\u4e2d\u8868\u793a\u53ef\u80fd\u5b58\u5728\u7cbe\u5ea6\u95ee\u9898\uff0c\u56e0\u6b64\u5728\u6bd4\u8f83\u4e24\u4e2a\u6d6e\u70b9\u6570\u662f\u5426\u4e0d\u7b49\u65f6\u9700\u8981\u683c\u5916\u5c0f\u5fc3\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
a = 0.1 * 3<\/p>\n
b = 0.3<\/p>\n
\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u7ed3\u679c<\/strong><\/h2>\n
print(a != b)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7531\u4e8e\u6d6e\u70b9\u6570\u7684\u7cbe\u5ea6\u95ee\u9898\uff0ca<\/code> \u548c b<\/code> \u53ef\u80fd\u770b\u4f3c\u76f8\u7b49\uff0c\u4f46\u5b9e\u9645\u6bd4\u8f83\u65f6\u53ef\u80fd\u4f1a\u8fd4\u56de True<\/code>\u3002<\/p>\n<\/p>\n
3\u3001\u4f7f\u7528\u5168\u7b49\u8fd0\u7b97\u7b26<\/strong><\/h4>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u5168\u7b49\u8fd0\u7b97\u7b26 is not<\/code> \u53ef\u80fd\u6bd4 !=<\/code> \u66f4\u52a0\u5408\u9002\uff0c\u4f8b\u5982\u5728\u6bd4\u8f83\u4e24\u4e2a\u5bf9\u8c61\u662f\u5426\u662f\u540c\u4e00\u4e2a\u5b9e\u4f8b\u65f6\uff1a<\/p>\n<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = list1<\/p>\n
\u4f7f\u7528\u5168\u7b49\u8fd0\u7b97\u7b26<\/strong><\/h2>\n
print(list1 is not list2)  # False<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0clist1<\/code> \u548c list2<\/code> \u6307\u5411\u540c\u4e00\u4e2a\u5217\u8868\u5bf9\u8c61\uff0c\u56e0\u6b64\u4f7f\u7528 is not<\/code> \u6765\u5224\u65ad\u5b83\u4eec\u662f\u5426\u4e0d\u662f\u540c\u4e00\u4e2a\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u7f16\u7a0b\u4e2d\uff0c\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code> \u662f\u4e00\u4e2a\u57fa\u672c\u4e14\u91cd\u8981\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u5224\u65ad\u4e24\u4e2a\u503c\u662f\u5426\u4e0d\u76f8\u7b49\u3002\u5b83\u53ef\u4ee5\u5e94\u7528\u4e8e\u5404\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5e76\u5728\u6761\u4ef6\u8bed\u53e5\u3001\u5faa\u73af\u8bed\u53e5\u3001\u6570\u636e\u9a8c\u8bc1\u3001\u9519\u8bef\u5904\u7406\u3001\u903b\u8f91\u5224\u65ad\u7b49\u573a\u666f\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u3002\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u9700\u8981\u6ce8\u610f\u6570\u636e\u7c7b\u578b\u7684\u517c\u5bb9\u6027\u3001\u907f\u514d\u6d6e\u70b9\u6570\u6bd4\u8f83\u95ee\u9898\uff0c\u5e76\u5728\u9002\u5f53\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u5168\u7b49\u8fd0\u7b97\u7b26 is not<\/code>\u3002\u901a\u8fc7\u6b63\u786e\u7406\u89e3\u548c\u5e94\u7528\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26 !=<\/code>\uff0c\u53ef\u4ee5\u7f16\u5199\u51fa\u66f4\u52a0\u5065\u58ee\u548c\u9ad8\u6548\u7684Python\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5728Python\u4e2d\u5982\u4f55\u8868\u793a\u4e0d\u7b49\u4e8e\u7684\u8fd0\u7b97\u7b26\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u4e0d\u7b49\u4e8e\u7684\u8fd0\u7b97\u7b26\u662f!=<\/code>\u3002\u8fd9\u4e2a\u8fd0\u7b97\u7b26\u7528\u4e8e\u5224\u65ad\u4e24\u4e2a\u503c\u662f\u5426\u4e0d\u76f8\u7b49\u3002\u5982\u679c\u4e24\u4e2a\u503c\u4e0d\u76f8\u7b49\uff0c\u8868\u8fbe\u5f0f\u8fd4\u56deTrue<\/code>\uff1b\u5982\u679c\u76f8\u7b49\uff0c\u5219\u8fd4\u56deFalse<\/code>\u3002\u4f8b\u5982\uff0c5 != 3<\/code>\u4f1a\u8fd4\u56deTrue<\/code>\uff0c\u800c5 != 5<\/code>\u5219\u8fd4\u56deFalse<\/code>\u3002<\/p>\n
\u5728Python\u4e2d\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26\u6709\u4ec0\u4e48\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\uff1f<\/strong>
\u4e0d\u7b49\u4e8e\u8fd0\u7b97\u7b26\u5728\u6761\u4ef6\u5224\u65ad\u4e2d\u975e\u5e38\u5e38\u89c1\uff0c\u5c24\u5176\u662f\u5728\u63a7\u5236\u6d41\u8bed\u53e5\u4e2d\uff0c\u6bd4\u5982if<\/code>\u8bed\u53e5\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fc7\u6ee4\u6570\u636e\u3001\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u3001\u6267\u884c\u7279\u5b9a\u64cd\u4f5c\u7b49\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u68c0\u67e5\u7528\u6237\u8f93\u5165\u662f\u5426\u4e0e\u67d0\u4e2a\u9884\u8bbe\u503c\u4e0d\u540c\uff0c\u53ef\u4ee5\u4f7f\u7528if user_input != preset_value:<\/code>\u6765\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u3002<\/p>\n
Python\u4e2d\u662f\u5426\u6709\u5176\u4ed6\u65b9\u5f0f\u8868\u793a\u4e0d\u7b49\u4e8e\uff1f<\/strong>
\u9664\u4e86\u4f7f\u7528!=<\/code>\u6765\u8868\u793a\u4e0d\u7b49\u4e8e\uff0cPython\u8fd8\u652f\u6301\u4f7f\u7528is not<\/code>\u6765\u68c0\u67e5\u5bf9\u8c61\u7684\u8eab\u4efd\u662f\u5426\u4e0d\u76f8\u540c\u3002\u5c3d\u7ba1\u8fd9\u4e24\u4e2a\u8fd0\u7b97\u7b26\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u4ee5\u4e92\u6362\u4f7f\u7528\uff0c\u4f46\u5b83\u4eec\u7684\u542b\u4e49\u4e0d\u540c\u3002!=<\/code>\u662f\u503c\u7684\u4e0d\u7b49\uff0c\u800cis not<\/code>\u662f\u8eab\u4efd\u7684\u4e0d\u7b49\u3002\u4e86\u89e3\u8fd9\u4e24\u8005\u4e4b\u95f4\u7684\u533a\u522b\u5bf9\u7f16\u5199\u9ad8\u6548\u4e14\u6e05\u6670\u7684\u4ee3\u7801\u975e\u5e38\u91cd\u8981\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u201c\u4e0d\u7b49\u4e8e\u201d\u8fd0\u7b97\u7b26\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u503c\u662f\u5426\u4e0d\u76f8\u7b49\u3002\u5728Python\u4e2d\u8868\u793a\u4e0d\u7b49\u4e8e\u7684\u8fd0\u7b97\u7b26\u662f != […]","protected":false},"author":3,"featured_media":1078872,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1078867"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1078867"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1078867\/revisions"}],"predecessor-version":[{"id":1078873,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1078867\/revisions\/1078873"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1078872"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1078867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1078867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1078867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}