1 import os,sys,pprint,time 2 def find(pattern,directory): 3     found =[]                            #Store the result 4     pattern = pattern.lower()            #Normalize to lowercase 5     #print(file_find) 6     for (thisdir,subsHere,filesHere) in os.walk(directory): 7         for file in filesHere + subsHere:#Search all the files and subdirect 8             if pattern in file.lower(): 9                 found.append(os.path.join(thisdir,file))10     return found11 12 if __name__==‘__main__‘:13     directory = input(‘Enter directory:\n‘)14     pattern = input(‘Enter filename you search:\n‘)15     t1 = time.clock()                     #Calculate the running time16     found = find(pattern,directory)17     t2 = time.clock()18     print(t2-t1)19     pprint.pprint(found[:])               #Print the result