# File: strchcase.py
# Changes case of characters in a string
#
# Matt Bishop, MHI 289I, Fall 2022
#
while True:
    # read in a string; quit on EOF
    try:
        instr = input("Enter a string: ")
    except EOFError:
        break
    except:
        print("Unknown error; EOF to end")
        continue
    #
    # put quotes around the string to show its boundaries when it is printed
    #
    prstr = '"' + instr + '"'
    #
    # now do the transformations
    #
    transstr = '"' + instr.capitalize() + '"'
    print("Capitalizing the first letter of", prstr, "gives", transstr)
    transstr = '"' + instr.title() + '"'
    print("Making", prstr, "into a title gives", transstr)
    transstr = '"' + instr.lower() + '"'
    print("Making all letters of", prstr, "lower case gives", transstr)
    transstr = '"' + instr.upper() + '"'
    print("Making all letters of", prstr, "upper case gives", transstr)
    transstr = '"' + instr.swapcase() + '"'
    print("Swapping the case of the letters in", prstr, "gives", transstr)