1, python dictionary get function returns the value of the specified key, designated key does not exist, a default value is returned
get（key,default=None）
2, os.getcwd returns the current working directory
3, untils modules: an interface into the encapsulated untils tools can be called directly
4, format string format, or using {}: A string representing the location
5, insert () function is used to specify the object into the specified position in the list.
list.insert（index，object）
6, testcase / testsuite run method has its own, generally introduced TextTestRunner html format for better control of the test results, TextTestRunner.run method still performed last run (case) / run (suite)
7, enumerate one may traverse the object (list, tuple or string) into a sequence index, and the index data are also listed
8, setattr set the attribute values, the attribute need not be present
setattr (str, name, value) #name property name, value to set a value of the attribute
9, get_args obtain a function of all the parameters
10, pop method removes the dictionary and corresponding to a given key Key value, the return value is deleted, key value must be given, otherwise default value
pop(key[,default])