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Commit b26ec97

Browse files
Added error handling and comments
1 parent 1049ea2 commit b26ec97

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3 files changed

+46
-20
lines changed

3 files changed

+46
-20
lines changed

‎05-GuessingGame.py

Lines changed: 18 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -8,23 +8,30 @@
88
secretNum = randint(0,50)
99
# Generate random int adapted from https://stackoverflow.com/questions/3996904/generate-random-integers-between-0-and-9
1010

11-
# Take input from the user and convert to int
12-
userGuess = int(input("Your guess: "))
13-
1411
alreadyGuessed = []
12+
userGuess = 0
1513

1614
# While guess is wrong, take more inputs
1715
while userGuess != secretNum:
18-
if userGuess < secretNum: # If guess is too low, tell the user & ask for another input
19-
print("Too low, try again.")
20-
userGuess = int(input())
21-
alreadyGuessed.append(userGuess) # Add the guess to an array
2216

23-
elif userGuess > secretNum: # If guess is too high, tell user & ask again
24-
print("Too high, try again.")
25-
userGuess = int(input())
26-
alreadyGuessed.append(userGuess) # Add guess to array
17+
# try except ValueError adapted from Python 3 docs -
18+
# https://docs.python.org/3.3/tutorial/errors.html#handling-exceptions
19+
try:
20+
# Take input from the user and convert to int
21+
userGuess = int(input("Your guess: "))
22+
23+
if userGuess < secretNum: # If guess is too low, tell the user & ask for another input
24+
print("Too low, try again.")
25+
#userGuess = int(input())
26+
alreadyGuessed.append(userGuess) # Add the guess to an array
2727

28+
elif userGuess > secretNum: # If guess is too high, tell user & ask again
29+
print("Too high, try again.")
30+
#userGuess = int(input())
31+
alreadyGuessed.append(userGuess) # Add guess to array
32+
except ValueError:
33+
print("Please enter only valid whole numbers.")
34+
2835
# If guess is right, tell user
2936
if userGuess == secretNum:
3037
print("You're right!")

‎06-LargestAndSmallest.py

Lines changed: 10 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -3,12 +3,19 @@
33
# Write a function that returns the largest and smallest elements in a list.
44

55
numbers = []
6+
i = 0
67

78
print("Please enter 5 numbers.")
89

9-
for i in range (0,5):
10-
listItem = float(input(str(i + 1) + ": ")) # Get input from user
11-
numbers.append(listItem) # Add item to array of numbers
10+
while i < 5:
11+
try:
12+
listItem = float(input(str(i + 1) + ": ")) # Get input from user
13+
numbers.append(listItem) # Add item to array of numbers
14+
i = i + 1
15+
16+
except ValueError:
17+
print("Please only enter number values, try again.")
18+
1219

1320
print(numbers) # Output the list
1421

‎08-MergeSort.py

Lines changed: 18 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -5,18 +5,30 @@
55
list1 = []
66
list2 = []
77
newlist = []
8+
i = 0
89

910
print("Please enter 3 numbers for each list.")
1011

1112
print("List 1")
12-
for i in range (0,3):
13-
listItem = float(input(str(i + 1) + ": "))
14-
list1.append(listItem)
13+
while i < 3:
14+
try:
15+
listItem = float(input(str(i + 1) + ": "))
16+
list1.append(listItem)
17+
i = i + 1
18+
19+
except ValueError:
20+
print("Please only enter number values, try again.")
1521

1622
print("List 2")
17-
for i in range (0,3):
18-
listItem = float(input(str(i + 1) + ": "))
19-
list2.append(listItem)
23+
i = 0 # Reset i
24+
while i < 3:
25+
try:
26+
listItem = float(input(str(i + 1) + ": "))
27+
list1.append(listItem)
28+
i = i + 1
29+
30+
except ValueError:
31+
print("Please only enter number values, try again.")
2032

2133
newList = list1 + list2
2234

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