Python Lowercase and Uppercase String

Question

Is there a way to convert a string to a sequence of uppercase and lowercase letters?

For example, "Kilometers" → "KiLoMeTeRs".

SimonR · Accepted Answer · 2020-05-27 01:33:28Z

6

a = 'Kilometers'

print(''.join([char.upper() if i%2==0 else char.lower() for i, char in enumerate(a)]))

result = 'KiLoMeTeRs'

answered May 27, 2020 at 1:33

SimonR

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Comments

Selcuk · Accepted Answer · 2020-05-27 02:55:35Z

2

A more esoteric way:

>>> a = 'Kilometers'
>>> "".join("".join(i) for i in zip(a[::2].upper(), a[1::2].lower()))
'KiLoMeTeRs'

or using @lenik's more concise form:

>>> "".join(a+b for a, b in zip(a[::2].upper(), a[1::2].lower()))

answered May 27, 2020 at 1:43

Selcuk

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