Python 实现贪吃蛇源码

.. include:: common.txt Named Colors ============ .. raw:: html <style> .aliceblue {background-color: #f0f8ff; color: #f0f8ff;} .antiquewhite {background-color: #faebd7; color: #faebd7;} .antiquewhite1 {background-color: #ffefdb; color: #ffefdb;} .antiquewhite2 {background-color: #eedfcc; color: #eedfcc;} .antiquewhite3 {background-color: #cdc0b0; color: #cdc0b0;} .antiquewhite4 {background-color: #8b8378; color: #8b8378;} .aqua {background-color: #00ffff; color: #00ffff;} .aquamarine {background-color: #7fffd4; color: #7fffd4;} .aquamarine1 {background-color: #7fffd4; color: #7fffd4;} .aquamarine2 {background-color: #76eec6; color: #76eec6;} .aquamarine3 {background-color: #66cdaa; color: #66cdaa;} .aquamarine4 {background-color: #458b74; color: #458b74;} .azure {background-color: #f0ffff; color: #f0ffff;} .azure1 {background-color: #f0ffff; color: #f0ffff;} .azure3 {background-color: #c1cdcd; color: #c1cdcd;} .azure2 {background-color: #e0eeee; color: #e0eeee;} .azure4 {background-color: #838b8b; color: #838b8b;} .beige {background-color: #f5f5dc; color: #f5f5dc;} .bisque {background-color: #ffe4c4; color: #ffe4c4;} .bisque1 {background-color: #ffe4c4; color: #ffe4c4;} .bisque2 {background-color: #eed5b7; color: #eed5b7;} .bisque3 {background-color: #cdb79e; color: #cdb79e;} .bisque4 {background-color: #8b7d6b; color: #8b7d6b;} .black {background-color: #000000; color: #000000;} .blanchedalmond {background-color: #ffebcd; color: #ffebcd;} .blue {background-color: #0000ff; color: #0000ff;} .blue1 {background-color: #0000ff; color: #0000ff;} .blue2 {background-color: #0000ee; color: #0000ee;} .blue3 {background-color: #0000cd; color: #0000cd;} .blue4 {background-color: #00008b; color: #00008b;} .blueviolet {background-color: #8a2be2; color: #8a2be2;} .brown {background-color: #a52a2a; color: #a52a2a;} .brown1 {background-color: #ff4040; color: #ff4040;} .brown2 {background-color: #ee3b3b; color: #ee3b3b;} .brown3 {background-color: #cd3333; color: #cd3333;} .brown4 {background-color: #8b2323; color: #8b2323;} .burlywood {background-color: #deb887; color: #deb887;} .burlywood1 {background-color: #ffd39b; color: #ffd39b;} .burlywood2 {background-color: #eec591; color: #eec591;} .burlywood3 {background-color: #cdaa7d; color: #cdaa7d;} .burlywood4 {background-color: #8b7355; color: #8b7355;} .cadetblue {background-color: #5f9ea0; color: #5f9ea0;} .cadetblue1 {background-color: #98f5ff; color: #98f5ff;} .cadetblue2 {background-color: #8ee5ee; color: #8ee5ee;} .cadetblue3 {background-color: #7ac5cd; color: #7ac5cd;} .cadetblue4 {background-color: #53868b; color: #53868b;} .chartreuse {background-color: #7fff00; color: #7fff00;} .chartreuse1 {background-color: #7fff00; color: #7fff00;} .chartreuse2 {background-color: #76ee00; color: #76ee00;} .chartreuse3 {background-color: #66cd00; color: #66cd00;} .chartreuse4 {background-color: #458b00; color: #458b00;} .chocolate {background-color: #d2691e; color: #d2691e;} .chocolate1 {background-color: #ff7f24; color: #ff7f24;} .chocolate2 {background-color: #ee7621; color: #ee7621;} .chocolate3 {background-color: #cd661d; color: #cd661d;} .chocolate4 {background-color: #8b4513; color: #8b4513;} .coral {background-color: #ff7f50; color: #ff7f50;} .coral1 {background-color: #ff7256; color: #ff7256;} .coral2 {background-color: #ee6a50; color: #ee6a50;} .coral3 {background-color: #cd5b45; color: #cd5b45;} .coral4 {background-color: #8b3e2f; color: #8b3e2f;} .cornflowerblue {background-color: #6495ed; color: #6495ed;} .cornsilk {background-color: #fff8dc; color: #fff8dc;} .cornsilk1 {background-color: #fff8dc; color: #fff8dc;} .cornsilk2 {background-color: #eee8cd; color: #eee8cd;} .cornsilk3 {background-color: #cdc8b1; color: #cdc8b1;} .cornsilk4 {background-color: #8b8878; color: #8b8878;} .crimson {background-color: #dc143c; color: #dc143c;} .cyan {background-color: #00ffff; color: #00ffff;} .cyan1 {background-color: #00ffff; color: #00ffff;} .cyan2 {background-color: #00eeee; color: #00eeee;} .cyan3 {background-color: #00cdcd; color: #00cdcd;} .cyan4 {background-color: #008b8b; color: #008b8b;} .darkblue {background-color: #00008b; color: #00008b;} .darkcyan {background-color: #008b8b; color: #008b8b;} .darkgoldenrod {background-color: #b8860b; color: #b8860b;} .darkgoldenrod1 {background-color: #ffb90f; color: #ffb90f;} .darkgoldenrod2 {background-color: #eead0e; color: #eead0e;} .darkgoldenrod3 {background-color: #cd950c; color: #cd950c;} .darkgoldenrod4 {background-color: #8b6508; color: #8b6508;} .darkgray {background-color: #a9a9a9; color: #a9a9a9;} .darkgreen {background-color: #006400; color: #006400;} .darkgrey {background-color: #a9a9a9; color: #a9a9a9;} .darkkhaki {background-color: #bdb76b; color: #bdb76b;} .darkmagenta {background-color: #8b008b; color: #8b008b;} .darkolivegreen {background-color: #556b2f; color: #556b2f;} .darkolivegreen1 {background-color: #caff70; color: #caff70;} .darkolivegreen2 {background-color: #bcee68; color: #bcee68;} .darkolivegreen3 {background-color: #a2cd5a; color: #a2cd5a;} .darkolivegreen4 {background-color: #6e8b3d; color: #6e8b3d;} .darkorange {background-color: #ff8c00; color: #ff8c00;} .darkorange1 {background-color: #ff7f00; color: #ff7f00;} .darkorange2 {background-color: #ee7600; color: #ee7600;} .darkorange3 {background-color: #cd6600; color: #cd6600;} .darkorange4 {background-color: #8b4500; color: #8b4500;} .darkorchid {background-color: #9932cc; color: #9932cc;} .darkorchid1 {background-color: #bf3eff; color: #bf3eff;} .darkorchid2 {background-color: #b23aee; color: #b23aee;} .darkorchid3 {background-color: #9a32cd; color: #9a32cd;} .darkorchid4 {background-color: #68228b; color: #68228b;} .darkred {background-color: #8b0000; color: #8b0000;} .darksalmon {background-color: #e9967a; color: #e9967a;} .darkseagreen {background-color: #8fbc8f; color: #8fbc8f;} .darkseagreen1 {background-color: #c1ffc1; color: #c1ffc1;} .darkseagreen2 {background-color: #b4eeb4; color: #b4eeb4;} .darkseagreen3 {background-color: #9bcd9b; color: #9bcd9b;} .darkseagreen4 {background-color: #698b69; color: #698b69;} .darkslateblue {background-color: #483d8b; color: #483d8b;} .darkslategray {background-color: #2f4f4f; color: #2f4f4f;} .darkslategray1 {background-color: #97ffff; color: #97ffff;} .darkslategray2 {background-color: #8deeee; color: #8deeee;} .darkslategray3 {background-color: #79cdcd; color: #79cdcd;} .darkslategray4 {background-color: #528b8b; color: #528b8b;} .darkslategrey {background-color: #2f4f4f; color: #2f4f4f;} .darkturquoise {background-color: #00ced1; color: #00ced1;} .darkviolet {background-color: #9400d3; color: #9400d3;} .deeppink {background-color: #ff1493; color: #ff1493;} .deeppink1 {background-color: #ff1493; color: #ff1493;} .deeppink2 {background-color: #ee1289; color: #ee1289;} .deeppink3 {background-color: #cd1076; color: #cd1076;} .deeppink4 {background-color: #8b0a50; color: #8b0a50;} .deepskyblue {background-color: #00bfff; color: #00bfff;} .deepskyblue1 {background-color: #00bfff; color: #00bfff;} .deepskyblue2 {background-color: #00b2ee; color: #00b2ee;} .deepskyblue3 {background-color: #009acd; color: #009acd;} .deepskyblue4 {background-color: #00688b; color: #00688b;} .dimgray {background-color: #696969; color: #696969;} .dimgrey {background-color: #696969; color: #696969;} .dodgerblue {background-color: #1e90ff; color: #1e90ff;} .dodgerblue1 {background-color: #1e90ff; color: #1e90ff;} .dodgerblue2 {background-color: #1c86ee