#! /usr/bin/env python3
string = "Stringtheorie"

asciiwert = []
for what in string:
    asciiwert.append(ord(what))
# ist das selbe wie [chr(what) for what in string ]

#Liste von Zeichen 
char_list = [chr(value) for value in asciiwert ]
print(char_list)

string = ''.join(char_list)
print(string)
print(string.lower())
print(string.upper())
print(string[1].lower() + string[1:].upper())

print(string.count('e'))
print(string.count('a'))
print(string.index('e'))