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-rw-r--r--csci4041/TEST.py30
1 files changed, 30 insertions, 0 deletions
diff --git a/csci4041/TEST.py b/csci4041/TEST.py
new file mode 100644
index 0000000..bc9ae7d
--- /dev/null
+++ b/csci4041/TEST.py
@@ -0,0 +1,30 @@
+def head(Q):
+ return Q[0]
+def tail(Q):
+ return Q[1:]
+def mergesort(U):
+ if U == [] or tail(U) == []:
+ return U
+ else:
+ L = []
+ R = []
+ while U != [] and tail(U) != []:
+ L = L+[head(U)]
+ U = tail(U)
+ R = R+[head(U)]
+ U = tail(U)
+ L = L + U
+ L = mergesort(L)
+ R = mergesort(R)
+ s = []
+ while L != [] and R != []:
+ if head(L) <= head(R):
+ s = s + [head(L)]
+ L = tail(L)
+ else:
+ s = s + [head(R)]
+ R = tail(R)
+ s = s + L + R
+ return s
+
+print(mergesort([9,3,7,5,6,4,8,2])) \ No newline at end of file