Update 100+ Python challenging programming exercises.txt

fixed zhiwehu#33

Author: zhiwehu

100+ Python challenging programming exercises.txt

@@ -425,7 +425,7 @@ Question:
 Write a program that computes the net amount of a bank account based a transaction log from console input. The transaction log format is shown as following:
 D 100
 W 200
-¡­
+
 D means deposit while W means withdrawal.
 Suppose the following input is supplied to the program:
 D 300