{"id":1038208,"date":"2024-12-31T12:21:53","date_gmt":"2024-12-31T04:21:53","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1038208.html"},"modified":"2024-12-31T12:21:56","modified_gmt":"2024-12-31T04:21:56","slug":"python%e4%bb%a3%e7%a0%81%e5%a6%82%e4%bd%95%e8%b7%b3%e5%88%b0%e4%b8%8b%e4%b8%80%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1038208.html","title":{"rendered":"python\u4ee3\u7801\u5982\u4f55\u8df3\u5230\u4e0b\u4e00\u884c"},"content":{"rendered":"

\"python\u4ee3\u7801\u5982\u4f55\u8df3\u5230\u4e0b\u4e00\u884c\"<\/p>\n

Python\u4ee3\u7801\u8df3\u5230\u4e0b\u4e00\u884c\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u6362\u884c\u7b26\u3001\u4e09\u5f15\u53f7\u5b57\u7b26\u4e32\u3001\u53cd\u659c\u6760\u3001\u5206\u53f7\u7b49\u3002<\/strong> \u5176\u4e2d\u6700\u5e38\u7528\u7684\u662f\u6362\u884c\u7b26\u548c\u53cd\u659c\u6760\u3002\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u6362\u884c\u7b26\u548c\u53cd\u659c\u6760\u6765\u5b9e\u73b0Python\u4ee3\u7801\u8df3\u5230\u4e0b\u4e00\u884c\u3002<\/p>\n<\/p>\n

\u4f7f\u7528\u6362\u884c\u7b26\u662f\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002Python\u89e3\u91ca\u5668\u4f1a\u81ea\u52a8\u8bc6\u522b\u6bcf\u4e00\u884c\u4ee3\u7801\uff0c\u5e76\u5c06\u5176\u89e3\u91ca\u4e3a\u5355\u72ec\u7684\u8bed\u53e5\u3002\u5f53\u4e00\u884c\u4ee3\u7801\u7ed3\u675f\u540e\uff0c\u5199\u4e0b\u4e00\u884c\u4ee3\u7801\u5373\u53ef\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

print("Hello, World!")<\/p>\n
print("This is a new line.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u4e24\u4e2a print<\/code> \u8bed\u53e5\u5206\u522b\u4f4d\u4e8e\u4e0d\u540c\u7684\u884c\uff0cPython\u4f1a\u5206\u522b\u6267\u884c\u5b83\u4eec\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u6362\u884c\u7b26<\/h2>\n<\/p>\n
1\u3001\u57fa\u672c\u4f7f\u7528<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u6bcf\u4e00\u884c\u4ee3\u7801\u7ed3\u675f\u65f6\uff0cPython\u89e3\u91ca\u5668\u4f1a\u81ea\u52a8\u8bc6\u522b\u6362\u884c\u7b26\u5e76\u5c06\u5176\u89e3\u91ca\u4e3a\u65b0\u7684\u8bed\u53e5\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
a = 5<\/p>\n
b = 10<\/p>\n
result = a + b<\/p>\n
print(result)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6bcf\u4e00\u884c\u4ee3\u7801\u90fd\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u8bed\u53e5\uff0cPython\u89e3\u91ca\u5668\u4f1a\u9010\u884c\u6267\u884c\u3002<\/p>\n<\/p>\n
2\u3001\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u6362\u884c\u7b26<\/h3>\n<\/p>\n
\u5728\u5b57\u7b26\u4e32\u4e2d\u53ef\u4ee5\u4f7f\u7528 \\n<\/code> \u6765\u8868\u793a\u6362\u884c\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
text = "Hello,\\nWorld!"<\/p>\n
print(text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
Hello,<\/p>\n
World!<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u4f7f\u7528\u591a\u884c\u6ce8\u91ca<\/h3>\n<\/p>\n
\u4f7f\u7528\u4e09\u5f15\u53f7\uff08'''<\/code> \u6216 """<\/code>\uff09\u53ef\u4ee5\u521b\u5efa\u591a\u884c\u5b57\u7b26\u4e32\u6216\u6ce8\u91ca\uff0cPython\u89e3\u91ca\u5668\u4f1a\u5c06\u5176\u8bc6\u522b\u4e3a\u5355\u4e2a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
multiline_string = """This is a<\/p>\n
multi-line<\/p>\n
string."""<\/p>\n
print(multiline_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
This is a<\/p>\n
multi-line<\/p>\n
string.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u53cd\u659c\u6760<\/h2>\n<\/p>\n
1\u3001\u5728\u8bed\u53e5\u4e2d\u8fc7\u957f\u7684\u4ee3\u7801\u6362\u884c<\/h3>\n<\/p>\n
\u5982\u679c\u4e00\u884c\u4ee3\u7801\u592a\u957f\uff0c\u53ef\u4ee5\u4f7f\u7528\u53cd\u659c\u6760 <\/code> \u6765\u5c06\u4ee3\u7801\u6362\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
total = 10 + 20 + 30 + \\<\/p>\n
        40 + 50 + 60<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
210<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u5728\u51fd\u6570\u53c2\u6570\u5217\u8868\u4e2d\u6362\u884c<\/h3>\n<\/p>\n
\u5728\u5b9a\u4e49\u51fd\u6570\u65f6\uff0c\u53c2\u6570\u5217\u8868\u592a\u957f\u4e5f\u53ef\u4ee5\u4f7f\u7528\u53cd\u659c\u6760\u6362\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def long_function_name(<\/p>\n
        var_one, var_two, var_three,<\/p>\n
        var_four, var_five):<\/p>\n
    print(var_one)<\/p>\n
long_function_name(1, 2, 3, 4, 5)<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u5728\u62ec\u53f7\u3001\u82b1\u62ec\u53f7\u6216\u65b9\u62ec\u53f7\u5185\u6362\u884c<\/h3>\n<\/p>\n
\u5728\u62ec\u53f7\u3001\u82b1\u62ec\u53f7\u6216\u65b9\u62ec\u53f7\u5185\uff0c\u4ee3\u7801\u53ef\u4ee5\u76f4\u63a5\u6362\u884c\uff0c\u800c\u65e0\u9700\u4f7f\u7528\u53cd\u659c\u6760\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
my_list = [<\/p>\n
    1, 2, 3,<\/p>\n
    4, 5, 6<\/p>\n
]<\/p>\n
my_dict = {<\/p>\n
    'one': 1,<\/p>\n
    'two': 2,<\/p>\n
    'three': 3<\/p>\n
}<\/p>\n
def my_function(<\/p>\n
    param_one, param_two,<\/p>\n
    param_three<\/p>\n
):<\/p>\n
    print(param_one)<\/p>\n
my_function(1, 2, 3)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0cPython\u89e3\u91ca\u5668\u4f1a\u81ea\u52a8\u5c06\u62ec\u53f7\u5185\u7684\u4ee3\u7801\u8bc6\u522b\u4e3a\u4e00\u4e2a\u6574\u4f53\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5206\u53f7<\/h2>\n<\/p>\n
\u5206\u53f7 ;<\/code> \u53ef\u4ee5\u7528\u6765\u5728\u540c\u4e00\u884c\u4e2d\u7f16\u5199\u591a\u6761\u8bed\u53e5\uff0c\u4f46\u4e0d\u5efa\u8bae\u9891\u7e41\u4f7f\u7528\uff0c\u56e0\u4e3a\u8fd9\u6837\u4f1a\u5f71\u54cd\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
a = 5; b = 10; result = a + b; print(result)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u5217\u8868\u548c\u5b57\u5178\u63a8\u5bfc\u5f0f\u6362\u884c<\/h2>\n<\/p>\n
\u5728\u4f7f\u7528\u5217\u8868\u548c\u5b57\u5178\u63a8\u5bfc\u5f0f\u65f6\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6362\u884c\u7b26\u6765\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
squares = [<\/p>\n
    x2<\/p>\n
    for x in range(10)<\/p>\n
]<\/p>\n
even_squares = {<\/p>\n
    x: x2<\/p>\n
    for x in range(10)<\/p>\n
    if x % 2 == 0<\/p>\n
}<\/p>\n
print(squares)<\/p>\n
print(even_squares)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u88c5\u9970\u5668\u6362\u884c<\/h2>\n<\/p>\n
\u5728\u4f7f\u7528\u88c5\u9970\u5668\u65f6\uff0c\u53ef\u4ee5\u5c06\u88c5\u9970\u5668\u548c\u51fd\u6570\u5b9a\u4e49\u5206\u5f00\u5199\u5728\u4e0d\u540c\u7684\u884c\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
@decorator_one<\/p>\n
@decorator_two<\/p>\n
def my_function():<\/p>\n
    pass<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u548c\u5faa\u73af\u6362\u884c<\/h2>\n<\/p>\n
\u5728\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u548c\u5faa\u73af\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u6362\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
if (condition_one and<\/p>\n
    condition_two):<\/p>\n
    do_something()<\/p>\n
while (condition_one and<\/p>\n
       condition_two):<\/p>\n
    do_something()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528with\u8bed\u53e5\u6362\u884c<\/h2>\n<\/p>\n
\u5728\u4f7f\u7528 with<\/code> \u8bed\u53e5\u65f6\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u6362\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
with open('file.txt') as file_one, \\<\/p>\n
     open('file2.txt') as file_two:<\/p>\n
    do_something()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001\u6ce8\u91ca\u6362\u884c<\/h2>\n<\/p>\n
\u5728\u6ce8\u91ca\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u884c\u6ce8\u91ca\u6765\u6362\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
"""<\/p>\n
This is a multi-line comment.<\/p>\n
It spans multiple lines.<\/p>\n
"""<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6216\u8005\u4f7f\u7528\u5355\u884c\u6ce8\u91ca\uff1a<\/p>\n<\/p>\n
# This is a single line comment<\/p>\n
that spans multiple lines.<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u4e5d\u3001\u4f7f\u7528try-except\u8bed\u53e5\u6362\u884c<\/h2>\n<\/p>\n
\u5728\u4f7f\u7528 try-except<\/code> \u8bed\u53e5\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u6362\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
try:<\/p>\n
    do_something()<\/p>\n
except (TypeError, ValueError) as e:<\/p>\n
    handle_error(e)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u3001\u4f7f\u7528\u7c7b\u5b9a\u4e49\u6362\u884c<\/h2>\n<\/p>\n
\u5728\u5b9a\u4e49\u7c7b\u65f6\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u6362\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
class MyClass(<\/p>\n
    BaseClass1,<\/p>\n
    BaseClass2<\/p>\n
):<\/p>\n
    def __init__(self):<\/p>\n
        pass<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728Python\u4ee3\u7801\u4e2d\u5b9e\u73b0\u6362\u884c\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u6362\u884c\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u5982\u679c\u60f3\u8981\u5728\u8f93\u51fa\u4e2d\u5b9e\u73b0\u6362\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\\n<\/code>\u5b57\u7b26\u3002\u4f8b\u5982\uff1aprint("Hello\\nWorld")<\/code>\u4f1a\u8f93\u51fa\uff1a  <\/p>\n
Hello\nWorld\n<\/code><\/pre>\n
\u6b64\u5916\uff0c\u4f7f\u7528print()<\/code>\u51fd\u6570\u65f6\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u53c2\u6570end='\\n'<\/code>\u6765\u63a7\u5236\u8f93\u51fa\u7684\u7ed3\u675f\u7b26\uff0c\u9ed8\u8ba4\u4e3a\u6362\u884c\u7b26\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u4f7f\u7528\u591a\u884c\u5b57\u7b26\u4e32\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528\u4e09\u5f15\u53f7\uff08'''<\/code>\u6216"""<\/code>\uff09\u6765\u5b9a\u4e49\u591a\u884c\u5b57\u7b26\u4e32\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e2d\u81ea\u7136\u6362\u884c\u3002\u4f8b\u5982\uff1a  <\/p>\n
multi_line_string = """\u8fd9\u662f\u7b2c\u4e00\u884c\n\u8fd9\u662f\u7b2c\u4e8c\u884c\n\u8fd9\u662f\u7b2c\u4e09\u884c"""\nprint(multi_line_string)\n<\/code><\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u6309\u884c\u8f93\u51fa\u6bcf\u4e00\u884c\u7684\u5185\u5bb9\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u8df3\u8fc7\u7279\u5b9a\u884c\u7684\u4ee3\u7801\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u6765\u63a7\u5236\u4ee3\u7801\u7684\u6267\u884c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5e0c\u671b\u8df3\u8fc7\u7279\u5b9a\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528if<\/code>\u8bed\u53e5\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
for i in range(5):\n    if i == 2:\n        continue  # \u8df3\u8fc7i\u7b49\u4e8e2\u7684\u60c5\u51b5\n    print(i)\n<\/code><\/pre>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u8f93\u51fa0\u30011\u30013\u548c4\uff0c\u800c\u4e0d\u4f1a\u8f93\u51fa2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4ee3\u7801\u8df3\u5230\u4e0b\u4e00\u884c\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u6362\u884c\u7b26\u3001\u4e09\u5f15\u53f7\u5b57\u7b26\u4e32\u3001\u53cd\u659c\u6760\u3001\u5206\u53f7\u7b49\u3002 \u5176\u4e2d\u6700\u5e38\u7528\u7684\u662f\u6362\u884c\u7b26\u548c\u53cd\u659c\u6760\u3002 […]","protected":false},"author":3,"featured_media":1038211,"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\/1038208"}],"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=1038208"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1038208\/revisions"}],"predecessor-version":[{"id":1038212,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1038208\/revisions\/1038212"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1038211"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1038208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1038208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1038208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}