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print
print();
で実行すると, 出力の後に 0 が返される.
print()$
とすれば, 最後の 0 は出力されない.
[8] def cat(L) { while ( L != [] ) { print(car(L),0); L = cdr(L);} print(""); } [9] cat([xyz,123,"gahaha"])$ xyz123gahaha
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