remove last character from string python

1str =  "string"
2str = str[:-1]  # Returns "strin"

1st =  "abcdefghij"
2st = st[:-1]  # Returns string with last character removed

1string = "Hello World"
2string = string[:-1]  # This overwrite the string to have the last letter removed.
3print(string)# Then we print the variable string

1#Removing last three characters
2foo = foo[:-3]

1str = "string_example"
2str = str[:-1] # -> returns "string_exampl" (-> without the "e")

1st =  "abcdefghij"
2st = st[:-1]