last_name = "Wehrwein"
           # 01234567
           #-87654321
print(last_name[7:8])  # "n"
print(last_name[-2:8]) # "in"
print(last_name[6:-1]) # "i"
print(last_name[-3:])  # "ein"
print(last_name[6:])   # "in"
