大文字小文字変換(capitalize, upper, lower)
capitalize, upper, lower
capitalize() upper() lower()
str = 'this is a pen.' str.capitalize() 'This is a pen.' str = 'This is a pen.' str.upper() 'THIS IS A PEN.' str.lower() 'this is a pen.'
python:capitalize_upper_lower
capitalize() upper() lower()
str = 'this is a pen.' str.capitalize() 'This is a pen.' str = 'This is a pen.' str.upper() 'THIS IS A PEN.' str.lower() 'this is a pen.'