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AaronFlower/vector-rotation.py

Last active October 26, 2017 02:34
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Programming Pearls: Column 2, vector-rotation
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vector-rotation.py
def vector_rotation(str, pos):
'''Transpose concept: (A.T B.T).T = (BA) '''
l_half = str[:pos][::-1]
r_half = str[pos:][::-1]
new_str = l_half + r_half
return new_str[::-1]
s = 'abcdefgh'
print(vector_rotation(s, 2))
print(vector_rotation(s, 3))
print(vector_rotation(s, 7))
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