a more convinient commant than cd.we can use it to go to the path of our workspace more easily.

• with no args:source work go to the root path of our workspace.
• with args:source work tempgo to the path of temp which is the subdir of our workspace.

the key word USERS_PATH is the path of our workpath.

a script to get a user's repos on github.there are two kind of url we can get,ssh_url&https_url.

• with command ghub -ssh,we will get the ssh type url.
• with command ghub -https,we will get the https url.

the USERS key word is custom setting represent the github username.

generating mathml type results while using sympy to calculate.

• just write the code in userspace and put the result string into the string list,then the html file will generate in the workspace path.