怎么让mac终端输入python默认打开python3

1. 终端打开.bash_profile文件 ***
open ~/.bash_profile
2. .bash_profile文件内容 ***
# Setting PATH for Python 3.5
# The original version is saved in .bash_profile.pysave
PATH="/Library/Frameworks/Python.framework/Versions/3.5/bin:${PATH}"
export PATH
3. 添加别名->最终文件 ***
alias python="/Library/Frameworks/Python.framework/Versions/3.5/bin/python3.5"
4. 终端中重新读取.bash_profile文件 ***
source .bash_profile

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