otp.Operation.str.lower

lower()

Convert a string to lower case.

Returns

Lowercased string

Return type

Operation

Examples

>>> data = otp.Ticks(X=['HeLlO', 'wOrLd!'])
>>> data["LENS"] = data["X"].str.lower()
>>> otp.run(data)["LENS"]
0     hello
1    world!
Name: LENS, dtype: object