What do I need to do to make rules for user input? Say I want the user to choose a number 1-5. If they pick one, I want to go to the next step. If they don't I want to tell them that they have to pick a number between 1-5 to continue. Code?
doffing81 0 Newbie Poster
woooee 814 Nearly a Posting Maven
See this link for a tutorial on input http://www.pasteur.fr/formation/infobio/python/ch04s03.html and then test the integer for >0 and <6 to break from the while() loop.
snippsat 661 Master Poster
Some hint
You will not get finish code or so much help if you dont show some effort.
>>> a = 3
>>> if a <=5 and a >= 1:
... print 'Number are between 1 and 5'
...
Number are between 1 and 5
>>> a = 7
>>> if a <=5 and a >= 1:
... print 'Number are between 1 and 5'
>>> b = int(raw_input('Enter a number: '))
Enter a number: a
Traceback (most recent call last):
File "<pyshell#1>", line 1, in <module>
b = int(raw_input('Enter a number: '))
ValueError: invalid literal for int() with base 10: 'a'
>>> try:
b = int(raw_input('Enter a number: '))
except ValueError:
print 'Please number only'
Enter a number: a
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