Proj1_0
    Load001
        lib
        src
Proj2_0
    Load001
        lib
        src
    Load002
        lib
        src

import os


for root, subFolders, files in os.walk('.'):
    # root does NOT contain 'Load'
    if root.find('Load') == -1:
        print "nPROJECT: " + root + "n"
        for folder in subFolders:
            print "    " + folder

def my_walk(top_dir, ignore):
    for dirpath, dirnames, filenames in os.walk(top_dir):
        dirnames[:] = [
            dn for dn in dirnames
            if os.path.join(dirpath, dn) not in ignore]
        yield dirpath, dirnames, filename
list my_walk('.','Load')

dirnames[:] = [
        dn for dn in dirnames
        if ignore not in os.path.join(dirpath, dn)]

for x in os.walk('.', topdown=True):
    dirpath, dirnames, dirfiles = x
    print(dirpath, dirnames)
    dirnames[:] = filter(lambda x : not x.startswith('Load'), dirnames)