화이트스페이스의 함정

whitespacehell.py

#!/usr/bin/env python3

k1 = 'ABCDEag=='
k2 = 'ABCDEag==​​​'

print('Length of k1:', len(k1))
print('Length of k2:', len(k2))

print('--- k1:')
for c in k1:
    print(c, ord(c))

print('')
print('--- k2:')
for c in k2:
    print(c, ord(c))

Result:

Length of k1: 9
Length of k2: 12
--- k1:
A 65
B 66
C 67
D 68
E 69
a 97
g 103
= 61
= 61

--- k2:
A 65
B 66
C 67
D 68
E 69
a 97
g 103
= 61
= 61
 8203
 8203
 8203

8203의 정체