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-rw-r--r--csci1913/lab1/lab1_strap012.py21
1 files changed, 12 insertions, 9 deletions
diff --git a/csci1913/lab1/lab1_strap012.py b/csci1913/lab1/lab1_strap012.py
index 0e89112..e04cf82 100644
--- a/csci1913/lab1/lab1_strap012.py
+++ b/csci1913/lab1/lab1_strap012.py
@@ -25,7 +25,7 @@ def solve(v, e):
def solving(v,q):
if left(q)==v:
return q
- elif type(left(q)):
+ elif type(left(left(q))) is not tuple:
if op(left(q))=='+':
return solvingAdd(v, q)
elif op(left(q))=='-':
@@ -34,30 +34,33 @@ def solving(v,q):
return solvingMultiply(v, q)
elif op(left(q))=='/':
return solvingDivide(v, q)
+ else:
+ solving(v,left(q))
def solvingAdd(v,q):
if isInside(v, left(left(q))):
- return (left(left(q)), '=', (right(q), '-', right(left(q))))
+ return left(left(q)), '=', (right(q), '-', right(left(q)))
else:
- return (right(left(q)), '=', (right(q), '-', left(right(q))))
+ return right(left(q)), '=', (right(q), '-', left(left(q)))
def solvingSubtract(v,q):
if isInside(v, left(left(q))):
- return left(left(q))
+ return left(left(q)), '=', (right(q), '+', right(left(q)))
else:
- return right(left(q))
+ return right(left(q)), '=', (left(left(q)), '-', right(q))
def solvingMultiply(v,q):
if isInside(v, left(left(q))):
- return left(left(q))
+ return left(left(q)), '=', (right(q), '/', right(left(q)))
else:
- return right(left(q))
+ return right(left(q)), '=', (right(q), '/', left(left(q)))
def solvingDivide(v,q):
if isInside(v, left(left(q))):
- return left(left(q))
+ return left(left(q)), '=', (right(q), '*', right(left(q)))
else:
- return right(left(q))
+ return right(left(q)), '=', (left(left(q)), '/', right(q))
+
#
# TESTS. Test the equation solver for CSci 1913 Lab 1.