AnyBaseConverter

def convert(frombase,tobase,number):
 value = 0
 A=10
 B=11
 C=12
 D=13
 E=14
 F=15
 G=16
 H=17
 I=18
 J=19
 K=20
 L=21
 M=22
 N=23
 O=24
 P=25
 Q=26
 R=27
 S=28
 T=29
 U=30
 V=31
 W=32
 X=33
 Y=34
 Z=35
 a=36
 b=37
 c=38
 d=39
 e=40
 f=41
 g=42
 h=43
 i=44
 j=45
 k=46
 l=47
 m=48
 n=49
 o=50
 p=51
 q=52
 r=53
 s=54
 t=55
 u=56
 v=57
 w=58
 x=59
 y=60
 z=61
 for i in range(0,len(number)):
  value = value+eval(number[i])*frombase**(len(number)-1-i)
 str1 = ""
 while value>0:
  str1=“0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz”[value%tobase] + str1
  value = value/tobase
 print str1