
print("\"rAHUL\".title()","=","rAHUL".title())
str="hello how are you"
i="aeiou"
o="12345"
print("\"Rahul\".istitle()","=",str.translate(str.maketrans(i,o)))
print("\"rahul\".upper()","=","rahul".upper())
print("\"rahul\".zfill(10)","=","rahul".zfill(10))
print("\"rahul2009\".isdecimal()","=","rahul2009".isdecimal())
