我安装了python 3.6.4之后pip无法正常工作我完成了以下程序：
Microsoft Windows [Version 10.0.16299.98]
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C:\WINDOWS\system32>python --version
Python 3.6.4
C:\WINDOWS\system32>pip --version
'pip' is not recognized as an internal or external command,
operable program or batch file.
C:\WINDOWS\system32>%PATH%
'F:\app\YASHRAJ\product\11.2.0\grid\bin' is not recognized as an internal or external command,
operable program or batch file.
C:\WINDOWS\system32>echo %PATH%
F:\app\YASHRAJ\product\11.2.0\grid\bin;C:\ProgramData\Oracle\Java\javapath;F:\app\YASHRAJ\product\11.2.0\dbhome_1\bin;C:\Program Files (x86)\Intel\iCLS Client\;C:\Progr
am Files\Intel\iCLS Client\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;c:\Program Files (x86)\ATI Technologies\
ATI.ACE\Core-Static;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program F
iles (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Intel\WiFi\bin\;C:\Program
Files\Common Files\Intel\WirelessCommon\;C:\Users\YASHRAJ\AppData\Local\Programs\Python\Python36-32\Scripts\;C:\Users\YASHRAJ\AppData\Local\Programs\Python\Python36-32\
;C:\Program Files (x86)\Java\jdk1.8.0_45\bin;C:\Users\YASHRAJ\AppData\Local\Microsoft\WindowsApps;C:\Program Files (x86)\IDM Computer Solutions\UltraEdit\
C:\WINDOWS\system32>