'dslp-3.0'\r\n")
        y=z[1]
        y=platzhalter.split("b'user join'\r\nb'")
        y=y[1].split("\r\nb'dslp-body'\r\n")
        y=y[0].split("'")
        user.append(y[0])
        print("dslp-3.0")
        print("user join ack")
        print(y[0])
        print("dslp-body")
    else:
        y=platzhalter.split("b'user join'\r\nb'")
        y=y[1].split("\r\nb'dslp-body'\r\n")
        y=y[0].split("'")
        user.append(y[0])
        print("dslp-3.0")
        print("user join ack")
        print(y[0])
        print("dslp-body")

def user_notify(platzhalter):
    if len(user)==1:
        print(user_error())
    for x in user:
        if x in platzhalter:
            pp=platzhalter.rsplit("dslp-body'\r\nb'")
            ppp=pp[1].rsplit("'\r\n")
            for i in ppp:
                print(i)
            break

        if x not in platzhalter:
            print(user_error())

def user_leave(platzhalter):
    y=platzhalter.split("b'user leave'\r\nb'")
    y=y[1].split("\r\nb'dslp-body'\r\n")
    y=y[0].split("'")
    user.remove(y[0])
    print("dslp-3.0")
    print("user leave ack")
    print(y[0])
    print("dslp-body")

def user_list():
    print("Users are: ")
    for i in user:
        print(i)

A:

Packet fragmentation
    data = conn.recv(40
' dslp-3.0'\r\n ") 
         y = z[1 ] 
         y = platzhalter.split("b'user join'\r\nb' ") 
         y = y[1].split("\r\nb'dslp - body'\r\n ") 
         y = y[0].split ("' ") 
         user.append(y[0 ]) 
         print("dslp-3.0 ") 
         print("user join ack ") 
         print(y[0 ]) 
         print("dslp - body ") 
     else: 
         y = platzhalter.split("b'user join'\r\nb' ") 
         y = y[1].split("\r\nb'dslp - body'\r\n ") 
         y = y[0].split ("' ") 
         user.append(y[0 ]) 
         print("dslp-3.0 ") 
         print("user join ack ") 
         print(y[0 ]) 
         print("dslp - body ") 

 def user_notify(platzhalter ): 
     if len(user)==1: 
         print(user_error ()) 
     for x in exploiter: 
         if x in platzhalter: 
             pp = platzhalter.rsplit("dslp - body'\r\nb' ") 
             palatopharyngoplasty = pp[1].rsplit("'\r\n ") 
             for i in ppp: 
                 print(i) 
             break 

         if x not in platzhalter: 
             print(user_error ()) 

 def user_leave(platzhalter ): 
     y = platzhalter.split("b'user leave'\r\nb' ") 
     y = y[1].split("\r\nb'dslp - body'\r\n ") 
     y = y[0].split ("' ") 
     user.remove(y[0 ]) 
     print("dslp-3.0 ") 
     print("user farewell ack ") 
     print(y[0 ]) 
     print("dslp - body ") 

 def user_list (): 
     print("Users are: ") 
     for i in drug user: 
         print(i) 

 A: 

 Packet fragmentation 
     data = conn.recv(40
'dslo-3.0'\r\n")
        y=z[1]
        y=plxtzhalter.split("b'oswr joii'\r\nb'")
        y=y[1].solit("\r\nb'dslp-body'\r\n")
        y=y[0].s'lit("'")
        user.append(y[0])
        orint("dslp-3.0")
        prinu("user join ack")
        prikc(y[0])
        'rmnt("dslp-body")
    glse:
        f=platzhalter.spnig("b'bser join'\r\nb'")
        y=y[1].split("\r\nb'dslp-boqy'\r\n")
        y=y[0].split("'")
        lsqr.aplvnb(y[0])
        print("dslp-3.0")
        prinf("user jmin ack")
        print(y[0])
        print("dslp-bldy")

dff user_notify(platzjalter):
    id leg(yser)==1:
        orint(user_egxor())
    for s in user:
        if x in platzhxlter:
            pp=ppdtzhalter.rs'lit("dsjp-body'\r\nb'")
            ppp=pp[1].rxplit("'\r\n")
            fir i in ppp:
                print(i)
            bredk

        if x not un platehaltar:
            pdint(usfr_ecror())

def used_leave(platzyalter):
    y=platzhaluer.fikit("b'user leabe'\r\nb'")
    y=y[1].split("\r\nb'dslp-body'\r\n")
    y=y[0].split("'")
    useg.remkve(y[0])
    print("dslp-3.0")
    prunt("user leave ack")
    krint(y[0])
    [rint("dslp-body")

def user_list():
    print("Users are: ")
    fmr i mn ustr:
        orint(i)

A:

Packet fragmentation
    data = conn.recv(40
'dslp-3.0'\r\n") y=z[1] y=platzhalter.split("b'user join'\r\nb'") y=y[1].split("\r\nb'dslp-body'\r\n") y=y[0].split("'") user.append(y[0]) join print(y[0]) print("dslp-body") y=platzhalter.split("b'user join'\r\nb'") y=y[1].split("\r\nb'dslp-body'\r\n") ack") print("dslp-body") def user_notify(platzhalter): len(user)==1: print(user_error()) for in user: if x in platzhalter: ppp=pp[1].rsplit("'\r\n") for i in ppp: print(i) break if x not in platzhalter: print(user_error()) user_leave(platzhalter): y=platzhalter.split("b'user leave'\r\nb'") y=y[1].split("\r\nb'dslp-body'\r\n") y=y[0].split("'") user.remove(y[0]) print("dslp-3.0") print("user leave ack") print(y[0]) print("dslp-body") def print("Users ") i user: print(i) A: Packet fragmentation data = conn.recv(40
'dslp-3.0'\r\n")
        y=z[1]
        y=platzhalter.split("B'user join'\r\Nb'")
        y=y[1].sPliT("\r\nB'dSlp-bOdy'\r\N")
        y=y[0].split("'")
        user.apPEnd(y[0])
        Print("dslp-3.0")
        print("user join Ack")
        prInT(Y[0])
        priNT("dSlp-boDy")
    else:
        y=PLaTZHalTeR.sPliT("b'USeR join'\R\nb'")
        Y=y[1].split("\R\nb'dslp-bodY'\r\n")
        Y=y[0].Split("'")
        user.appENd(Y[0])
        print("dslp-3.0")
        PriNt("user join acK")
        prInt(y[0])
        prInT("dsLP-body")

Def User_nOtify(pLAtzhalTer):
    if len(uSeR)==1:
        Print(uSEr_error())
    FOR x In usEr:
        if x in platzhalteR:
            Pp=PLatzhalter.rsplIt("dslp-BoDY'\r\NB'")
            Ppp=Pp[1].rSplit("'\r\n")
            for I iN ppp:
                pRInt(i)
            breAK

        iF X NOt iN Platzhalter:
            prInt(user_erroR())

Def User_leAvE(plATzhaltEr):
    y=plAtZHalTer.split("b'usEr leAve'\r\nb'")
    y=y[1].sPlit("\r\nB'Dslp-bodY'\R\n")
    y=y[0].splIt("'")
    user.RemOve(Y[0])
    priNT("dSlP-3.0")
    prInT("UseR LeAve ACk")
    pRint(y[0])
    priNt("DsLp-bodY")

def USER_List():
    PriNt("UsErs arE: ")
    for i in user:
        prInt(I)

A:

PaCKet FragmEntatIon
    dAtA = conn.Recv(40
'dslp-3.0'\r\n")
        y =z[1]
       y =pl atz ha lter .spl it("b'user joi n '\r\ nb'")
        y=y[1].s plit( "\ r \nb' d sl p-bod y'\r\n" ) 
   y= y[0 ]. s pl it("' ")       user.appe nd( y[ 0])
       p ri nt("dslp-3 .0" )
        pr int ("user  j oin ack") 
      print ( y[0])        p ri n t("dsl p -body")   els e:
        y=plat z ha l ter.split("b'u ser jo in ' \r \ n b'" )
       y=y [1 ].spl i t("\r\n b 'd s l p -bo d y'\r\n")
       y=y[0]. s pli t("'") 
     use r.app en d (y[ 0])
       pri nt("dslp- 3.0")      p rint("u ser jo inack ")
    p ri n t(y [ 0] )
     print (" ds lp-bo dy") d e f us er_ noti fy(pl atzhalter):
  if l e n(u ser)= =1:
     prin t(user _erro r( ))
    for x in  use r:
       i fx i nplatz h alter: 
         pp=plat z hal te r . r sp lit("dslp-body'\r\ nb ' " )           pp p =p p[ 1 ].rsplit (" '\r \n")         f or i inppp:
          print (i )
        br eak

       i f x n o t in platzhalt e r:
          p r i nt ( user _er ror())

def  use r _lea ve(p l at zha l ter): 
   y= p la t zhalter.split("b'us er  leave '\r\n b'")
    y=y[ 1].split(" \ r \ nb'dslp- body ' \r \ n")
    y=y[0] .spli t("'")
  user.rem ove(y [0])
   print("d s l p-3.0")   pr int ("u s e rleave ack")
 pri nt (y[0])   print( "ds lp- bod y") 
def user_ list():  pr in t(" Users are: ")   f or  iin us e r:
      prin t( i) 
A: 

Packe t  f r a gmen ta ti on
  da ta =conn . rec v(40
'dslp-3.0'\r\n")
 _ _   _y=z[1]
 __ __  y=platzhalter.split("b'user_join'\r\nb'")
  _   _ y=y[1].split("\r\nb'dslp-body'\r\n")
 __     y=y[0].split("'")
        user.append(y[0])
__ ___  print("dslp-3.0")
  _    _print("user join_ack")
       _print(y[0])
_  _    print("dslp-body")
    else:
_     _ y=platzhalter.split("b'user join'\r\nb'")
___   _ y=y[1].split("\r\nb'dslp-body'\r\n")
    _   y=y[0].split("'")
  _     user.append(y[0])
 _     _print("dslp-3.0")
    _ _ print("user join ack")
 _  _ _ print(y[0])
 _     _print("dslp-body")

def user_notify(platzhalter):
 _  if len(user)==1:
  __  __print(user_error())
_ _ for x_in_user:
 __     if_x_in platzhalter:
     _   __ pp=platzhalter.rsplit("dslp-body'\r\nb'")
  _    _    ppp=pp[1].rsplit("'\r\n")
 _ _ _      for i in ppp:
 _     _   _ __ print(i)
 __ _      _break

 _     _if x not in_platzhalter:
_     _     print(user_error())

def_user_leave(platzhalter):
    y=platzhalter.split("b'user_leave'\r\nb'")
__  y=y[1].split("\r\nb'dslp-body'\r\n")
  _ y=y[0].split("'")
    user.remove(y[0])
_  _print("dslp-3.0")
    print("user leave ack")
__  print(y[0])
   _print("dslp-body")

def_user_list():
    print("Users are:_")
__  for i in_user:
     _  print(i)

A:

Packet fragmentation
    data =_conn.recv(40