Question

让我们说Person 1有一个用Python 3.x编写的python可执行文件（mac）。 Person 1将所述文件发送给Person 2，Person 2也有一个mac，但只有Python 2.6.1。当Person 2运行该文件时，它会起作用吗？

有人说他们需要查看代码，所以：

#!/usr/bin/env python
# -*- coding: UTF8 -*-
topo1 = 0
topo2 = 0
print("This program helps compare two players: ")
print("It only uses that player's stats from the previous two years to determine their worth in fantasy baseball")
def complay1():
    global topo1
    print("Enter in the first player's stats below")
    homerun = input("Enter in the player's home run total from the most recent year: ")
    sb = input("Enter in the player's stolen base total from the most recent year: ")
    hit = input("Enter in the player's hit total from the most recent year: ")
    walks = input("Enter in the player's walk total from the most recent year: ")
    doubles = input("Enter in the player's doubles total from the most recent year: ")
    rbi = input("Enter in the player's RBI total from the most recent year: ")
    ba = input("Enter in the player's batting average from the most recent year, do not include a decimal point: ")
    hitL = input("Enter in the player's hit total from the year before the most recent year: ")
    homerunL = input("Enter in the player's home run total from the year before the most recent year: ")
    age = input("Enter in the player's age: ")
    gp = input("How many games did the player play last year?: ")
    topo1 += int(homerun)*3
    topo1 += int(sb)*2
    topo1 += int(hit)/2.5
    topo1 += int(walks)/4
    topo1 += int(doubles)
    topo1 += int(rbi)/3
    topo1 += int(hitL)/15
    topo1 += int(homerunL)
    topo1/(int(gp)/4)
    topo1 -= int(age)
    topo1 += int(ba)/2
    print(topo1, "is the total PLV+ for this player")
def complay2():
    global topo2
    print("Enter in the second player's stats below")
    homerun = input("Enter in the player's home run total from the most recent year: ")
    sb = input("Enter in the player's stolen base total from the most recent year: ")
    hit = input("Enter in the player's hit total from the most recent year: ")
    walks = input("Enter in the player's walk total from the most recent year: ")
    doubles = input("Enter in the player's doubles total from the most recent year: ")
    rbi = input("Enter in the player's RBI total from the most recent year: ")
    ba = input("Enter in the player's batting average from the most recent year, do not include a decimal point: ")
    hitL = input("Enter in the player's hit total from the year before the most recent year: ")
    homerunL = input("Enter in the player's home run total from the year before the most recent year: ")
    age = input("Enter in the player's age: ")
    gp = input("How many games did the player play last year?: ")
    topo2 += int(homerun)*3
    topo2 += int(sb)*2
    topo2 += int(hit)/2.5
    topo2 += int(walks)/4
    topo2 += int(doubles)
    topo2 += int(ba)/2
    topo2 += int(rbi)/3
    topo2 += int(hitL)/15
    topo2 += int(homerunL)
    topo2/(int(gp)/4)
    topo2 -= int(age)
    topo1 += int(ba)/2
    print(topo2, "is the total PLV+ for this player")       
complay1()    
complay2()
if topo1 > topo2:
    print("Player 1 is", ((topo1/topo2)*100)-100, "percent better")
if topo2 > topo1:
    print("Player 2 is", ((topo2/topo1)*100)-100, "percent better")

Answer 1

可能不是，主要版本的更改没有向后兼容性。

编辑：对于您的代码示例，它可能有效。在你的脚本中，2和3之间唯一的变化就是在Python 2中打印不是函数，这是不重要的，因为print（x）与Python 2解释器的print x相同，额外的括号不包含在内。伤了。

EDIT2 ：正如另一个回答中所述，该部门也会突破。这是因为int / int将导致Python 2中的int和Python 3中的float。这意味着{2}在Python 2中为2，在Python 3中为2.5。5 / 2修复此问题。

Answer 2

在没有看到代码的情况下完全是不可能的，但是2.x和3.x之间存在批次的变化，这使得它极不可能工作

修改

该部门将打破它。将from __future__ import division置于顶部。另外，请检查raw_input是否存在，并将其分配给input。

Answer 3

可执行文件是什么意思？我对python可执行文件的想法是将python捆绑在其中，因此最终用户不需要安装python来运行它。

如果你的意思是.py，看看你发布的代码，看起来很兼容。

在早期版本上运行的Python可执行文件

3 个答案: