- Added solutions by Eric Cheung.

- Added solutions by Bob Lied.
- Added solutions by Mark Anderson.
- Added solutions by Peter Meszaros.
- Added solutions by Niels van Dijke.
- Added solutions by E. Choroba.
- Added solutions by Feng Chang.

4 files changed, 16 insertions, 0 deletions

diff --git a/challenge-283/eric-cheung/python/ch-1.py b/challenge-283/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..beb8abb03d
--- /dev/null
+++ b/challenge-283/eric-cheung/python/ch-1.py
@@ -0,0 +1,9 @@
+

+## arrInt = [3, 3, 1]  ## Example 1

+## arrInt = [3, 2, 4, 2, 4]  ## Example 2

+## arrInt = [1]  ## Example 3

+arrInt = [4, 3, 1, 1, 1, 4]  ## Example 4

+

+arrUniq = [nLoop for nLoop in set(arrInt) if arrInt.count(nLoop) == 1]

+

+print (arrUniq[0])

diff --git a/challenge-283/eric-cheung/python/ch-2.py b/challenge-283/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..ca95692560
--- /dev/null
+++ b/challenge-283/eric-cheung/python/ch-2.py
@@ -0,0 +1,7 @@
+

+## arrInt = [1, 2, 1, 0]  ## Example 1

+arrInt = [0, 3, 0]  ## Example 2

+

+arrOutput = [nLoop for nIndx, nLoop in enumerate(arrInt) if arrInt.count(nIndx) == nLoop]

+

+print (len(arrInt) == len(arrOutput))

diff --git a/challenge-283/perlboy1967/perl/ch1.pl b/challenge-283/perlboy1967/perl/ch-1.pl
index d6286a2883..d6286a2883 100755
--- a/challenge-283/perlboy1967/perl/ch1.pl
+++ b/challenge-283/perlboy1967/perl/ch-1.pl
diff --git a/challenge-283/perlboy1967/perl/ch2.pl b/challenge-283/perlboy1967/perl/ch-2.pl
index f6e882fd98..f6e882fd98 100755
--- a/challenge-283/perlboy1967/perl/ch2.pl
+++ b/challenge-283/perlboy1967/perl/ch-2.pl