[split/join] string to list, list to string

문장등을 다룰때 자주 쓰이는 메소드 

 

# split string by character 

sentence = "hello how are you"

l = sentence.split() # split the sentence by space 
print(l) # ["hello", "how", "are", "you"]


# merge element in list 

s = "".join(l)
print(s) # "hellohowareyou"

s2 = " ".join(l)
print(s2) # "hello how are you"