{"id":2098,"date":"2024-03-26T16:07:38","date_gmt":"2024-03-26T16:07:38","guid":{"rendered":"https:\/\/www.tutavo.com\/Kachina\/?p=2098"},"modified":"2024-03-26T16:48:27","modified_gmt":"2024-03-26T16:48:27","slug":"python-roberts-notes-lists","status":"publish","type":"post","link":"https:\/\/www.tutavo.com\/Kachina\/python-roberts-notes-lists\/","title":{"rendered":"Python: Robert’s Notes – LISTS"},"content":{"rendered":"

source = [‘a’, ‘b’, 0, 1, 2, 3, 4, 5]
\ntarget=source ## creates reference to source
\ntarget=source[1:5] ## start with the ‘b’ and go to the 5th char (2)
\n [mem:char]
\ntarget=source[1:-2] ## start with the ‘b’ and go back two spaces from end
\ntarget=source[3] ## copies the number 4 into source
\ntarget=source[:] ## copies everything – separate instance<\/code><\/p>\n

my_list<\/span> =<\/span> [<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>]
\n<\/span>slice_one<\/span> =<\/span> my_list<\/span>[<\/span>2<\/span>:<\/span> ]
\n<\/span>slice_three<\/span> =<\/span> my_list<\/span>[<\/span>–<\/span>2<\/span>:<\/span> ]
\n<\/span><\/code>print<\/span>(<\/span>slice_one<\/span>)<\/span> # outputs: [3, 4, 5]<\/span><\/div>\n
print<\/span>(<\/span>slice_two<\/span>)<\/span> # outputs: [1, 2]
\n<\/span>print<\/span>(<\/span>slice_three<\/span>)<\/span> # outputs: [4, 5]<\/span><\/div>\n
 <\/div>\n
squares<\/span> =<\/span> [<\/span>x<\/span> **<\/span> 2<\/span> for<\/span> x<\/span> in<\/span> range<\/span>(<\/span>10<\/span>)] # X squared
\ntwos<\/span> =<\/span> [<\/span>2<\/span> **<\/span> i<\/span> for<\/span> i<\/span> in<\/span> range<\/span>(<\/span>8<\/span>)] # 2 squared, cubed, etc<\/span><\/code><\/div>\n
odds<\/span> =<\/span> [<\/span>x<\/span> for<\/span> x<\/span> in<\/span> squares<\/span> if<\/span> x<\/span> %<\/span> 2<\/span> !=<\/span> 0<\/span> ]<\/span><\/code> # odd numbered squares<\/div>\n
 <\/div>\n
BUILDS A CHESSBOARD with 64 empty squares<\/p>\n
board<\/span> =<\/span> [[<\/span>EMPTY<\/span> for<\/span> i<\/span> in<\/span> range<\/span>(<\/span>8<\/span>)]<\/span> for<\/span> j<\/span> in<\/span> range<\/span>(<\/span>8<\/span>)]<\/span><\/div>\n<\/div>\n
TEMPERATURE EVERY HOUR FOR EVERY DAY<\/p>\n
temps<\/span> =<\/span> [[<\/span>0.0<\/span> for<\/span> h<\/span> in<\/span> range<\/span>(<\/span>24<\/span>)]<\/span> for<\/span> d<\/span> in<\/span> range<\/span>(<\/span>31<\/span>)]<\/span><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

source = [‘a’, ‘b’, 0, 1, 2, 3, 4, 5] target=source ## creates reference to source target=source[1:5] ## start with the ‘b’ and go to the 5th char (2)  [mem:char] target=source[1:-2] ## start with the ‘b’ and go back two spaces from end target=source[3] ## copies the number 4 into source target=source[:] ## copies everything … Continue reading “Python: Robert’s Notes – LISTS”<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-2098","post","type-post","status-publish","format-standard","hentry","category-educational"],"_links":{"self":[{"href":"https:\/\/www.tutavo.com\/Kachina\/wp-json\/wp\/v2\/posts\/2098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tutavo.com\/Kachina\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tutavo.com\/Kachina\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tutavo.com\/Kachina\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tutavo.com\/Kachina\/wp-json\/wp\/v2\/comments?post=2098"}],"version-history":[{"count":7,"href":"https:\/\/www.tutavo.com\/Kachina\/wp-json\/wp\/v2\/posts\/2098\/revisions"}],"predecessor-version":[{"id":2105,"href":"https:\/\/www.tutavo.com\/Kachina\/wp-json\/wp\/v2\/posts\/2098\/revisions\/2105"}],"wp:attachment":[{"href":"https:\/\/www.tutavo.com\/Kachina\/wp-json\/wp\/v2\/media?parent=2098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tutavo.com\/Kachina\/wp-json\/wp\/v2\/categories?post=2098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tutavo.com\/Kachina\/wp-json\/wp\/v2\/tags?post=2098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}