Questions tagged [cs50p]
Questions about CS50's Introduction to Programming with Python.
106 questions
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6
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CS50P - Seasons of Love output issues
I am unable to fix this error while running the program, kindly find the error S
0
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1
answer
9
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Not sure how to throw an custom error for `try:`
For Problem Set 3, I cannot determine how to throw an error if the denominator or a fraction is larger than the numerator (which is not a built-in error in python). How to I define my own, custom ...
- 101
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1
answer
14
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CS50P coke pset.. I tried many ways to fix this but I can't seem to get right , how can i fix this?
Price = 50
def main():
coins = 0
if coins < price:
print("Amount Due: ", due_amount(coins))
else:
coins >= price
print("Change Owned: &...
0
votes
2
answers
15
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Doing Cs50p Psets 3 Outdated Why is the date when in numbers only outputs 2000-30-20 instead of 2000-03-02
I am doing the CS50P and am doing the outdated exercise. This is the exercise: https://cs50.harvard.edu/python/2022/psets/3/outdated/
My code does everything perfectly, except it outputs single digit ...
- 1
1
vote
2
answers
41
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Python little professor problem set not passing 10 problems check
I am doing the little professor problem set. Here is my code:
import random
def main():
l = get_level()
score = 0
for i in range(10):
n1 = generate_integer(l)
n2 = ...
0
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0
answers
9
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For the CS50P final project, do the unit tests have to be on the functions at the same indentation level as main?
I Know for the final project of CS50P that you have to have a minimum of 3 functions at the same indentation level as main and then you also have to do unit tests on minimum 3 functions. However, ...
0
votes
1
answer
13
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Issue printing dictionary in CS50P Pset 3 Grocery
Working on Pset3 "Grocery" problem. At the end of the problem I am supposed to print out the dictionary (my grocery list) with both keys and values. However, when I print, it just shows the ...
- 63
-1
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2
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18
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TypeError in "Taqueria" Pset3
I'm working on Felipe's Taqueria in Pset 3. Here is my code:
# Set initial cost of order to $0
order = 0
# Put menu in dict
menu = {
"Baja Taco": 4.25,
"Burrito": 7.50,
...
- 63
0
votes
2
answers
38
views
outdated : code not rejecting incorrectly formatted inputs
The following two outputs which are about mixed format input like, October/8/1701 and September 8 1636,are not what they should be and i can`t make them work
import re
months = [
"January&...
- 17
0
votes
1
answer
20
views
Why my code only removing 'u' ? cs50p pset2
Hi guys im having a problem in twttr.py exercise from cs50 python this is my code:
def main():
text = remove_vowel(input("Input: "))
print(text)
def remove_vowel(d):
vowels = [&...
0
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0
answers
40
views
pset8 cookie jar failing tests for unknow reason
Jar.py:
class Jar:
def init(self, capacity=0):
if not isinstance(capacity, int) or capacity < 0:
raise ValueError("Capacity must be a non-negative integer")
self._capacity = capacity
self....
0
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0
answers
23
views
What to do with CS50 codespace after finishing?
I just finished CS50p, I haven't enrolled in the course, but have just been following the course via the website/youtube solving all the problem sets etc. Now I would like to tackle some of my own '...
0
votes
1
answer
11
views
CS50 python mealtime problem Error
I'm solving cs50 python week 1 'meal' problem. I got a error "convert successfully returns decimal hours expected "7.5", not 'Error\n'" and another one is "can't check until a ...
-1
votes
1
answer
11
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How do you simultaneously take care of two types of user_input in python?
Greeting everyone,
I am doing CS50P course and stuck on week 3 last question titled "outdated".
problem statement:
n the United States, dates are typically formatted in month-day-year order (...
1
vote
1
answer
45
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PSET 7: test_numb3rs.py validation issue
I am not sure how to ensure the below criteria is met keeping validate function intact. Please help me understand what I should be doing here
"Modify the validate function in the correct version ...
- 33
0
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1
answer
40
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PSET 5 Test plates : getting exit code 0 instead of 1
test_plates:
from plates import is_valid
def test_correct():
assert (is_valid("ASD123")) == True
assert (is_valid("ASD")) == True
assert (is_valid("AS2")) == ...
- 33
-1
votes
2
answers
46
views
Little Professor CHECK50 errors can't pass tests
Here's the check50 terminal message:
:) Little Professor rejects level of 0
:) Little Professor rejects level of 4
:) Little Professor rejects level of "one"
:) Little Professor accepts ...
1
vote
2
answers
73
views
CS50 python little professor problem
import random
def main():
level = get_level("Level: ")
correct_count = 0
for _ in range(10):
x = generate_integer(level)
y = generate_integer(level)
...
0
votes
2
answers
105
views
Pset 3: Grocery list, the program ends after one item is inputted
I am trying to do the "Grocery" problem, and I have many issues.
First, the program exits after the first input.
Second, I have an issue with associating the counted item with the list.
My ...
- 137
0
votes
2
answers
46
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PS5: Vanity Plates : Expected exit code 0, not 1 while testing
After using check50 on my test_plates.py file, I get the following error and it doesn't further check anything (
"can't check until a frown turns upside down"):
Cause
expected exit code 0, ...
0
votes
2
answers
30
views
Felipe's Taqueria: output check problem
This is my code for the Felipe Taqueria's problem and the output is as expected but I am required to output "Total" before the prompt "Enter your order" but I am unable. Someone ...
- 27
0
votes
2
answers
62
views
Inifinite loop for outdated problem
I am working on the "outdated" problem.
I need to reformat the output given by the user in order to adehere to the ISO format.
My code is as follows:
months = ["January", "...
- 137
1
vote
1
answer
39
views
Felipe’s Taqueria: "invalid decimal literal" with f string, but ok without f string. Why?
I am still on "Felipe’s Taqueria" problem, and I do not understand why I get the : "invalid decimal literal" error.
My code to print the result is as follwos:
print(f"$ { &...
- 137
0
votes
2
answers
78
views
CS50x: Issue on problem Felipe´s Taqueria, program keeps asking me for input, without printing price, why?
I am trying to execute the problem "Felipe´s Taqueria", but I am failing to see any price printed as output. Instead the program keeps asking for input.
When I input "Taco", the ...
- 137
0
votes
1
answer
75
views
Check 50 insists test with pytest is exiting with code 2, in pset 5 for intro to python, how do I fix this?
it's my first post and I have no idea what I'm doing, so go easy. I'm having issues with the first problem in pset 5 of intro to python, testing my twttr. Basically I made some very basic unit tests ...
0
votes
2
answers
442
views
CS50P Little Professor error expected "9", not "level: 6 + 6 =..."
When doing check50 I get the error ":( Little Professor displays number of problems correct
". I've found this post where the code works but after comparing it with my own code I still can't ...
- 11
-1
votes
1
answer
95
views
pset4 adieu problem set 4
I am having trouble with the check50. On manual check, the code functions exactly as it is suppose to but on check50 I get the following error codes.
:) adieu.py exists
Log
checking that adieu.py ...
- 1
0
votes
1
answer
32
views
Vanity plates Regex problem
I have this code using regex as follows, but when all my characters are letters it gives out an output of "invalid" whereas it should not:
import re
def main():
plate = input("...
- 27
0
votes
1
answer
109
views
problem set 4, CS50P , Guessing Game ,
running python3 testing.py...
sending input 22...
sending input 18...
checking for output "Too large!"...
my code couldn't pass the guessing game test, the test is sending 22 as a number ...
- 13
1
vote
1
answer
300
views
Vanity plates Problem
The following code is my code for the vanity plates problem in cs50 introduction to python course. My issue is on the "Punctuation Function". When I enter an input with a punctuation, ...
- 27
1
vote
1
answer
167
views
CS50 Vanity plates
I modified my code with respect to the suggestions given in the comments using regex as follows, but when all my characters are letters it gives out an output of "invalid" whereas it should ...
- 27
0
votes
0
answers
68
views
Why is my cs50p codespace not loading- it takes to long!
I'm currently trying to load my cs50p codespace on my mobile phone but it loads really slow and doesn't load all features
0
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1
answer
79
views
"test_fuel catches fuel.py not printing % in gauge expected exit code 1, not 0"
I have passed all of the other check50 requirements except for this one.
Here is my code
def main():
while True:
try:
number = input("Fraction: ")
if &...
0
votes
0
answers
16
views
What could be a pytest file for this program?
I have written this program as my final project. How would I write a pytest file to assure the program is properly tested. It really confused me since the functions I implemented in the program do NOT ...
- 39
-1
votes
1
answer
98
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the check50 of the test_fuel is not working in cs50p
this code is working just fine through check50 of the main problem set Fuel Gauge and the pytest for this testing code is successful
def main():
while True:
try:
x = input(&...
1
vote
1
answer
53
views
Error message Little Professor displays number of problems correct Cause: Did not find "9" in "Level: 6 + 6 =..."
I am currently unable to pinpoint the root cause of the error message at this time.
:( Little Professor displays number of problems correct expected "9", not "Level: 6 + 6 =..."
...
- 13
0
votes
1
answer
54
views
I tried a lot of ways but couldn't figure out why this exit code is always 1.(cs50p-Pset5)
It's the test result of my cs50p course of week 5(Back to the Bank). But when I check my code manually, it seems completely fine to me and I think that there is no problem. But the problem is in the ...
0
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0
answers
41
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Cs50 Final Project
I currently finished all Weeks and have the final project left. I am planning to start with it very soon, I have two questions :-
Will i be able to redo the project if I get a grade that is less than ...
- 39
0
votes
1
answer
75
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CS50P problem set 1 Meal Time unknown error
I made a solution for problemset 1, Meal Time from CS50P and I can't get a check from check50. The code works for me if I input the code myself but when I run check50 I get the error:
I found the ...
- 11
1
vote
1
answer
127
views
: ( Little Professor displays number of problems correct Cause: Did not find "9" in "Level: 6 + 6 =..."
Everything test worked fine except, Little Professor displays number of problems correct Cause: Did not find "9" in "Level: 6 + 6 =..."
def main():
level = get_level()
...
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1
vote
1
answer
241
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Little Professor display number of problems correct
Providing the whole code i cant spot what causing this error tried already shifting etc python tutor and rewriting getting back to the same spot. Can you spot whats wrong??
import random
def main():
...
- 13
0
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1
answer
143
views
scourgify.py problem
I wrote this code for scourgify.py :-
import sys
import csv
import os
if len(sys.argv) < 3:
sys.exit("Too few Command-line argument")
elif len(sys.argv) > 3 :
sys.exit(...
- 39
1
vote
1
answer
223
views
pset9 finance check 50 :( sell handles valid sale
Hi I am working on Cs50 2023/psets/9/finance/
I have looked at this problem and have rewritten the code multiple ways but can't get past this error in the check.
I think I have gotten too close to the ...
- 13
1
vote
1
answer
203
views
pizza.py unclear problem when submitting
from tabulate import tabulate
import sys
import os
if len(sys.argv) < 2:
sys.exit("Too few Command-line argument")
elif len(sys.argv) > 2 :
sys.exit("Too many ...
- 39
0
votes
0
answers
126
views
Pset 9 Finance: expected to find ¨112.00¨in page, but it wasn´t found
I have been tinkering around with Pset 9 Finance for a few days now, but somehow I am unable to pass check50 even when my website looks the same and works correctly.
Whys is check50 giving the error : ...
- 1
1
vote
1
answer
293
views
test_plates.py problem
What is the problem with my code for testing plates.py?
this is the code :
def main():
plate = input("Plate: ")
if iss_valid(plate):
print("Valid")
else:
...
- 39
0
votes
1
answer
106
views
CS50P Little Professor error
please what is the problem with this code and why is it displaying this particular error?
:( Little Professor displays number of problems correct
expected "9", not "Level : 6 + 6 ...&...
- 39
0
votes
2
answers
444
views
question in CS50P course on lines.py
I have this assignment:
"In a file called lines.py, implement a program that expects exactly one command-line argument, the name (or path) of a Python file, and outputs the number of lines of ...
- 39
0
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0
answers
93
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Problem with CS5 Problem Set 1 - Meal Time
enter image description here
I can get the right out put when I enter the example input, but I can not get the code to pass the cs50 test. Can someone please help me with this?
def main():
...
0
votes
2
answers
32
views
The code allways prompt to enter a new date when entering the date. How to correct my code in order to have the right answer?
import re
months = [
"January",
"February",
"March",
"April",
"May",
"June",
"July",
"August&...
- 1