import os
import string
import platform
req_file=input(" Enter your file name: ")

if platform.system()=="Windows":
    pd_names=sting.ascii_uppercase
    vd_names=[]
    for each_drive in pd_names:
        if os.path.exists(each_drive+":\\"):
            print(each_drive)
            vd_names.append(each_drive+":\\")
    print(vd_names)
    for each_drive in vd_names:
        for r,d,f in os.walk(each_drive):
            for each_file in f:
                if each_file==req_file:
                    print(os.path.join(r,each_file))
else:
    for r,d,f in os.walk("/"):
        for each_file in f:
            if each_file==req_file:
                print(os.path.join(r,each_file))

    
