text = "How are you?"
print(text[0])
print(text[1])
print(text[2])
print(text[11])
print(text[-1])
print(text[-2])


H
o
w
?
?
u

for i in range(0,len(text)):
    print(i, text[i])


0 H
1 o
2 w
3
4 a
5 r
6 e
7
8 y
9 o
10 u
11 ?

new_string = text[::-2]
print(new_string)
?o r o


# len()
# upper()
# lower()
# title()
# count()
# find()
# replace()
# strip()
# lstrip()
# rstrip()


text = "How are you?"
print(len(text))
print(text.upper())
print(text.lower())
print(text.title())

12
HOW ARE YOU?
how are you?
How Are You?


text = "       Nayeem         "
star = "*********"
print(star+text.lstrip()+star)
print(star+text.rstrip()+star)
print(star+text.strip()+star)


text = "    Hello       World         "
print(star+text.strip()+star)
new_string = text.replace(" ","")
print(new_string)

*********Nayeem         *********
*********       Nayeem*********
*********Nayeem*********
*********Hello       World*********
HelloWorld


# count("word/letter",start, end)
text = "where there is a problem there is a solution"
print(text.count("is",16,20))

0


# replace("<pass string>","<pass string>",<pass integer>)
text = "where there is a problem there is a solution"
print(text.find("is",13))
text = text.replace("is","are",20)
print(text)


31
where there are a problem there are a solution