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def list2int(arr,base,endian="little"):
if endian == "big":
arr.reverse()
out = 0
for num in arr:
out *= base
out += num
return out
def int2list(num,base,endian="little"):
arr = []
while num > 0:
arr.append(num%base)
num = num//base
if endian == "little":
arr.reverse()
return arr
def int2string(num):
return ''.join([chr(charval) for charval in int2list(num,128)])
def string2int(string,endian="little"):
return list2int([ord(char) for char in string],128,endian=endian)
def int2base64(num):
return ''.join([chr(charval+32) for charval in int2list(num,64)])
def base642int(code):
return list2int([ord(char)-32 for char in code],64)
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