list - Python for-loop deletion stops halfway -


just started learning python today. i'm enjoying , docs helpful people say. there's i'm not getting 2 of python's idiosyncrasies: lists , for-loops.

the result of code:

lets = ['a','b','c','d','e','f','g','h','i','j']  j in lets:     del lets[0]     print(lets)

is this:

['b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'] ['c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'] ['d', 'e', 'f', 'g', 'h', 'i', 'j'] ['e', 'f', 'g', 'h', 'i', 'j'] ['f', 'g', 'h', 'i', 'j']

why stop @ 5 steps instead of ten (and hence delete items)?

from can tell, have ten elements in lets. loop stops @ five. after deleting 5 elements have 5 elements left. after fifth loop, checks how many elements in lets, sees five, , stops has looped 5 times.


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