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# Python's program to determine string entered by user is a palindrome.


def main():
    print('\n########################################################\n')

    user_string = "China"
    if user_string.isalnum():
        print(user_string, ': The String is alphanumeric.\n')

    user_string = "1974"
    if user_string.isdigit():
        print(user_string, ': The String contains only digits.\n')

    user_string = "Australia"
    if user_string.isalpha():
        print(user_string, ': String contains only alphabetic characters.\n')

    user_string = "   "
    if user_string.isspace():
        print(user_string, ': String contains only whitespace characters.\n')

    user_string = "JAPAN"
    if user_string.isupper():
        print(user_string, ': All letters in the string are uppercase.\n')

    user_string = "Australia 1974"
    if user_string.islower():
        print(user_string, ': All letters in the string are lowercase.\n')

    user_string = "India 1974"
    toLower = user_string.lower()
    print(user_string, ': Convert String in lowercase:', toLower, '\n')

    toUpper = user_string.upper()
    print(user_string, ': Convert String in uppercase:', toUpper, '\n')

    # lstrip() Returns a copy of the string with all leading whitespace
    # characters removed, that appear at the beginning of the string.
    user_string = "   India 1974"
    print('\nLeft Strip:', user_string.lstrip())

    # lstrip(char) Returns a copy of the string with all instances of
    # char that appear at the beginning of the string removed.
    user_string = "America 1974"
    print('\nLeft Strip with Character A:', user_string.lstrip('A'))

    # rstrip() Returns a copy of the string with all leading whitespace
    # characters removed, that appear at the end of the string.
    user_string = "America 1974     "
    print('\nRight Strip:', user_string.rstrip('A'))

    # rstrip(char) Returns a copy of the string with all instances of
    # char that appear at the end of the string.
    user_string = "America"
    print('\nRight Strip with Character a:', user_string.rstrip('a'))

    # strip() returns a copy of the string with all leading
    # and trailing whitespace characters removed.
    user_string = "   America 1974    "
    print('\nStrip from both side :', user_string.strip())

    # strip(char) Returns a copy of the string with all instances of
    # char that appear at the beginning and the end of the string removed.
    user_string = "America Russia Japan China"
    print('\nStrip with Character A:', user_string.strip('A'))
    print('Strip with Character a:', user_string.strip('a'))

    # endswith(substring) The substring argument is a string.
    # The method returns true if the string ends with substring.
    print('\nendswith check whether a string ends with a specified substring')
    user_string = "Columbia"
    print(user_string.endswith('bia'))
    print(user_string.endswith('mia'))

    # startswith(substring) The substring argument is a string.
    # The method returns true if the string starts with substring.
    print('\nstartswith check if a string starts with a specified substring')
    user_string = "Columbia"
    print(user_string.startswith('Colum'))
    print(user_string.startswith('Rolum'))

    # The substring argument is a string. The method returns the lowest
    # index in the string where substring is found.
    print('\n################## Find Method ##################')
    user_string = "Columbia"
    print(user_string.find('lumbia'))
    print(user_string.find('colbia'))
    print(user_string.find('bia'))
    print(user_string.find('col'))
    print(user_string.find('Col'))

    # replace(old, new) The old and new arguments are both strings. The method
    # returns a copy of the string with all instances of old replaced by new.
    print('\n################## Replace Method ##################')
    user_string = "Hello Columbia"
    old = "Columbia"
    new = "Russia"
    print(user_string.replace(old, new))

main()