text: inp="KANTHeesh KAranam20"
  print(inp.upper())
  print("-----------------------------")
  print(inp[4:15].upper())
  print("-----------------------------")
  print(inp.lower())
  print("-----------------------------")
  print(inp[0:5].lower())
  print("-----------------------------")
  print(inp[0::2].upper(), inp[-2::-2].lower())
  print("-----------------------------")
  print(inp[0::2].upper(), inp[::-2].lower())
  print("-----------------------------")
  
  #capitalize()
  inp1="kantheesh karanam"
  inp2="karanam"
  print(inp1.capitalize(), inp2.capitalize())
  print("-----------------------------")
  
  #strip(), lstrip(), rstrip()
  inp3="\t \t \n ab\t  c    \t \n   "
  print("input"+inp3)
  print("output:"+inp3.strip()+":")
  print("-----------------------------")
  print("input"+inp3)
  print("output:"+inp3.lstrip()+":")
  print("-----------------------------")
  print("input"+inp3)
  print("output:"+inp3.rstrip()+":")
  print("-----------------------------")
  
  #replace()
  inp4="this is a test string"
  print(inp4.replace("is","012"))
  