stanislavmykhailenko/NG_2022_Stanislav_Mykhailenko
Archived
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Update Lesson 2 Task 3 to make it more simple in another way

Browse source
This commit is contained in:
Stanislav Mykhailenko 2023-01-23 23:35:41 +02:00
parent c77d218010
commit 838f6cd131
Signed by: stanislavmykhailenko
GPG key ID: 1E95E66A9C9D6A36
1 changed files with 17 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
Lesson_2/task3.py
View file

@ -2,21 +2,24 @@
# Author: Stanislav Mykhailenko
# License: Unlicense
error = False
# Return codes:
# 0 - OK
# 1 - Invalid number entered
import math, sys
def numberError():
print("Invalid number entered.")
sys.exit(1)
try: number = int(input("Enter a natural number: "))
except ValueError: error = True
except ValueError: numberError()
if not error and number < 1: error = True
if number < 1: numberError()
if not error:
while number > 0:
currentNumber = number
while currentNumber > 0:
print(currentNumber, end='')
if currentNumber > 1: print(' ', end='')
currentNumber = currentNumber - 1
print('')
number = number - 1
else:
print("Invalid number entered.")
for i in range(number, 0, -1):
currentNumber = i
for j in range(currentNumber, 0, -1):
print(j, end='')
if j > 1: print(' ', end='')
print('')