Strings (and numbers and tuples) are immutable，tuplesimmutable,#Strings (an

Strings (and numbers and tuples) are immutable，tuplesimmutable,#Strings (an

#Strings (and numbers and tuples) are immutable: you can't modify them.def change(n):         n[0] = 'Changed'names = ['A', 'B']change(names)print namesnames = ['A', 'B']n = names          # Again pretending to pass names as a parametern[0] = 'Changed' # Change the listprint namesnames = ['A', 'B']n = names[:]print n is namesprint n == namesn[0] = 'Changed'print nprint nameschange(names[:])print names