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Diffstat (limited to 'csci1913/Python/lab3_strap012.py')
| -rw-r--r-- | csci1913/Python/lab3_strap012.py | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/csci1913/Python/lab3_strap012.py b/csci1913/Python/lab3_strap012.py new file mode 100644 index 0000000..f9df918 --- /dev/null +++ b/csci1913/Python/lab3_strap012.py @@ -0,0 +1,63 @@ +#"New" functions +def Reduce(F,S): + if len(S)==0: + return -255 + else: + return F(Reduce(F,S[:-1]),S[-1]) +def returnGreater(a,b): + if a > b: + return a + else: + return b + +#Implementation from Lab +def Sort(T): + if len(T)==0: + return () + else: + return (Sort(Remove(T,Maximum(T))))+(Maximum(T),) +def Maximum(T): + return Reduce(returnGreater,T) +def Remove(T,E): + if len(T)==0: + return () + elif T[0] is E: + return T[1:] + else: + return (T[0],)+Remove(T[1:],E) + + +# +# TESTS. Tests for CSci 1913 Lab 3. +# +# James Moen +# 11 Feb 19 +# +# Each test is worth 2 points, for 40 points total. Comments show what must be +# printed to receive credit. Note that your function SORT must work for tuples +# with negative elements. +# + +print(Maximum((1,))) # 1 2 pt. +print(Maximum((-2, -1))) # -1 2 pt. +print(Maximum((1, 1))) # 1 2 pt. +print(Maximum((1, 2, 3))) # 3 2 pt. + +print(Remove((), 1)) # () 2 pt. +print(Remove((1,), 1)) # () 2 pt. +print(Remove((0, 1), 0)) # (1,) 2 pt. +print(Remove((0, 1, 2, 1, 3), 1)) # (0, 2, 1, 3) 2 pt. +print(Remove((0, 1, 2, 1, 3), 2)) # (0, 1, 1, 3) 2 pt. +print(Remove((1, 2, 3), 3)) # (1, 2) 2 pt. + +print(Sort(())) # () 2 pt. +print(Sort((0,))) # (0,) 2 pt. +print(Sort((0, -1))) # (-1, 0) 2 pt. +print(Sort((1, 0))) # (0, 1) 2 pt. +print(Sort((0, 0, 1))) # (0, 0, 1) 2 pt. +print(Sort((0, -1, 0))) # (-1, 0, 0) 2 pt. +print(Sort((0, 0, 1))) # (0, 0, 1) 2 pt. + +print(Sort((9, 8, 7, 6, 5, 4, 3, 2, 1))) # (1, 2, 3, 4, 5, 6, 7, 8, 9) 2 pt. +print(Sort((1, 2, 3, 4, 5, 6, 7, 8, 9))) # (1, 2, 3, 4, 5, 6, 7, 8, 9) 2 pt. +print(Sort((1, 2, 1, 4, 2, 5, 4, 5, 3))) # (1, 1, 2, 2, 3, 4, 4, 5, 5) 2 pt. |