added solution for day 5

Author: krishnakotak

solution16.py

@@ -0,0 +1,20 @@
+'''
+Use a list comprehension to square each odd number in a list. The list is input by a sequence of comma-separated numbers. >Suppose the following input is supplied to the program:
+
+1,2,3,4,5,6,7,8,9
+Then, the output should be:
+
+1,9,25,49,81
+'''
+
+user_input = input()
+input_list = user_input.split(',')
+
+# output_list = []
+# for item in input_list:
+# if int(item) % 2 != 0:
+# output_list.append(int(item) ** 2)
+# print(output_list)
+
+output_list = [str(int(item)**2) for item in input_list if int(item) % 2 != 0]
+print(','.join(output_list))

solution17.py

@@ -0,0 +1,29 @@
+'''
+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
+D 300
+W 200
+D 100
+Then, the output should be:
+
+500
+'''
+
+amount = 0
+while True:
+ log = input().split()
+ if not log:
+ break
+ if 'D' == log[0]:
+ amount += int(log[1])
+ elif 'W' == log[0]:
+ amount -= int(log[1])
+ else:
+ print("wrong log")
+print(amount)