# 输入的字符串input_string="function_name arg1 arg2 arg3"# 将字符串按照空格分割成列表string_list=input_string.split()# 提取函数名和参数列表function_name=string_list[0]args=string_list[1:]# 打印结果print("函数名:",function_name)print("
msg['To']=self.to_addrwithsmtplib.SMTP(self.mailhost)asserver:server.sendmail(self.from_addr,[self.to_addr],msg.as_string())# 配置邮件处理程序 mail_handler=EmailHandler(mailhost='smtp.example.com',from_addr='sender@example.com',to_addr='recipient@example.com',subject='Error in the appl...
在编程中,我们经常需要检查一个字符是否为数字。这种判断对于数据验证、文本处理和输入验证等场景非常有用。Python提供了多种方法来检查一个字符是否为数字。本文将详细介绍在 Python 中检查字符是否为数字的几种常用方法,并提供示例代码帮助你理解和应用这些方法。 方法一:使用 isdigit() 方法 Python 中的字符串对象有...
defaulting to the current globals and locals. If only globals is given, locals defaults to it. """ pass 样例1: def function2(name, age): print("name: %s, age: %s" % (name, age)) if __name__ == '__main__':eval("function2")("Alice", 11)# 或者: args = ["Alice", 11]...
fromfunctoolsimportwrapsdeflogit(logfile='out.log'):deflogging_decorator(func): @wraps(func)defwrapped_function(*args, **kwargs):log_string=func.__name__+"was called"print(log_string)# 打开logfile,并写入内容withopen(logfile,'a')asopened_file:# 现在将日志打到指定的logfileopened_file.write(...
If we have the name of a function defined in a different module, we can convert the string to function using the getattr() function. For this, we will pass the name of the function to the getattr() function as the first argument and the name of the module as the second argument. The...
>>> from operator import methodcaller >>> methodcaller('do_foo')(f) 参考 Calling a function of a module from a string with the function's name in Python How do I use strings to call functions/methods? https://blog.csdn.net/u013679490/article/details/54767170...
>>> iris['name', 'sepallength'].apply('your_func', axis=1, names=['name2', 'sepallength2'], types=['string', 'float']) 使用apply对行操作,且reduce为False时,您可以使用并列多行输出与已有的行结合,用于后续聚合等操作。 >>> from odps.df import output >>> >>> @output(['iris_add...
Python是一门动态类型语言,和C、JAVA等语言不同,你无需手动指明变量的数据类型,根据赋值的不同你可以随意更改一个变量的数据类型,举例来说刚才我们把“整数”这个数据类型赋值给了a这个变量,现在我们再次赋值一个内容为test的"字符串"(String)数据类型给变量a,然后用type()函数来确认,这时你会发现a的数据类型已经...
escape_string – escape a string for use within SQL Y - escape_bytea – escape binary data for use within SQL Y - unescape_bytea – unescape data that has been retrieved as text Y - get/set_namedresult – conversion to named tuples Y - get/set_decimal – decimal type to be used ...