Write a Python program to execute a string containing Python code. Sample Solution: Python Code: # Define a string variable 'mycode' containing a Python code as a stringmycode='print("hello world")'# Define a multi-line string variable 'code' containing Python code as a stringcode=""" d...
``` # Python script to execute SQL queries on a database import sqlite3 def execute_query(connection, query): cursor = connection.cursor() cursor.execute(query) result = cursor.fetchall() return result ``` 说明: 此Python脚本是在数据库上执行SQL查询的通用函数。您可以将查询作为参数与数据库连...
```# Python script to connect to a database and execute queriesimport sqlite3def connect_to_database(database_path):connection = sqlite3.connect(database_path)return connectiondef execute_query(connection, query):cursor = connection...
用matplotlib绘图并将图片贴到excel上 importmatplotlib.pyplotaspltfig=plt.figure(figsize=(4,4))plt....
install-feature-software' req_template = string.Template(''' <input> <name>$fileName</name> </input> ''') req_data = req_template.substitute(fileName=feature_name) ret, _, _ = ops_conn.create(uri, req_data) if ops_return_result(ret): raise OPIExecError('Failed to execute the ...
pythonCopy codeimport logging logging.basicConfig(filename='app.log',level=logging.DEBUG,format='%(asctime)s - %(levelname)s - %(message)s') 2. 使用配置文件 对于复杂的应用程序,使用配置文件来配置 logging 更为方便。可以通过fileConfig函数加载配置文件,其中配置文件采用 INI 格式。
line-length =89skip-string-normalization = true 之后在包含该配置文件的目录下,只需要执行 Black 命令以及待格式化的代码文件路径即可,而无须指定相应的命令行选项参数。 isort isort是一个名为PyCQA(Python Code Quality Authority)的 Python 社区组织所维护的代码质量工具中的其中一个开源项目,它同样是用来对代码...
fromdatabricksimportsqlimportoswithsql.connect(server_hostname = os.getenv("DATABRICKS_SERVER_HOSTNAME"), http_path = os.getenv("DATABRICKS_HTTP_PATH"), access_token = os.getenv("DATABRICKS_TOKEN"))asconnection:withconnection.cursor()ascursor: cursor.execute("SELECT * FROM samples.nyctaxi.trips...
import io import contextlib def code_exec(code:str) -> str: output = io.StringIO() with contextlib.redirect_stdout(output): try: exec(code) except Exception as e: print(f"Error: {e}") return output.getvalue() tool_code_exec = {'type':'function', 'function':{ 'name': 'code_...
IndexError: string index out of range>>> 3.2 捕获异常 (Catching Exceptions) 很多时候,我们并不希望执行默认的异常行为,而是即便异常发生之后,我们的代码还能继续运行下去。这样,我们可以自己捕获异常。例如: $ python Python2.7.6 (default, Jun 22 2015, 18:00:18) ...