python execfile

The eval (STR [, globals [, locals]) function evaluates the string 'str' as a valid Python expression and returns the calculation result. Similarly, the exec statement executes the string STR as a valid Python code. The namespace provided to the

This log is reproduced, the original link: http://skandgjxa.blog.163.com/blog/static/1415298201010262403483/eval (str [, Globals [, locals]]) function treats the string str as a valid Python tableTo evaluate the value and return the result of the

The eval (str [, Globals [, locals]) function evaluates the string str as a valid Python expression and returns the result of the calculation.Similarly, the EXEC statement executes the string str as valid Python code. The namespace of the code

#-*-coding:utf-8-*-#python#Xiaodeng#Python's function usage execfile ()#execfile ()#Description: Used to execute a file relative to the double-click Effect" "execfile (...) ExecFile (filename[, globals[, locals]) FileName: filename Globals: Global

Python executes the string expression function (eval exec execfile), evalexecfile After careful study, I learned three functions:Eval: calculates the expression in the string.Exec: Execute the statement in the stringExecfile: used to execute a

Eval (), exec (), execfile (), evalexecexecfile Eval(Expression[,Globals[,Locals]) The eval () function executes a python expression string and returns the result after the expression is executed: >>> x = 1>>> eval('x + 1')2 ExpressionThe parameter

After careful study, I learned three functions:Eval: Evaluating an expression in a stringEXEC: Executing a statement in a stringExecFile: Used to execute a file It should be noted that EXEC is a statement, while Eval () and execfile () are built-in

1. abs (x) The abs () function returns the absolute value of a number (common, long, or floating point. If a plural number is given, the return value is the modulo of the plural number. For example: >>> Print abs (-2, 4) 2.4 >>> Print abs (4 + 2j)

1. ABS (x)The ABS () function returns the absolute value of a number (which can be a normal, long, or floating-point type). If the plural is given, the return value is the modulus of the complex number. For example:>>>print ABS ( -2,4)2.4>>>print

Reprint: http://www.cnblogs.com/dsky/archive/2012/06/04/2535397.html1, Idle is a python package comes with an integrated development environment, beginners can use it to easily create, run, test and debug Python programs.First, idle installation in