import os
#replace 'b4lib with the relative path of the folder
for filename in os.listdir('b4lib'):
# print(filename)
#replace 'full_path' with the full path of the directory with your file
f = os.path.join('full_path',filename)
print(f)
# rename the file. The below code removes '-Copy1' from the filename
os.rename(f, f.replace('-Copy1', ''))