RosettaCodeData/Task/Symmetric-difference/EasyLang/symmetric-difference.easy

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a$[] = [ "John" "Bob" "Mary" "Serena" ]
b$[] = [ "Jim" "Mary" "John" "Bob" ]
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#
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for i to 2
for a$ in a$[]
for b$ in b$[]
if a$ = b$
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a$ = ""
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break 1
.
.
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if a$ <> "" : c$[] &= a$
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.
swap a$[] b$[]
.
print c$[]