python note 001
.tilte()
.upper()
.lower()
---
\n
\t
---
"apple"+" "+"pen"
---
.strip()
.lstrip()
.rstrip()
p.s. l=left r=right
.tilte()
.upper()
.lower()
---
\n
\t
---
"apple"+" "+"pen"
---
.strip()
.lstrip()
.rstrip()
p.s. l=left r=right