CODE
#PRIME NUMBERS.PY BY GEORGE SKOUROUPATHIS
givenumber = ""
while True:
i = 2
list1 = []
givenumber = raw_input("Give a number until which you want to find \
the prime numbers.(type anything else to quit the program): ")
if givenumber.isdigit() == False:
break
else:
givenumber = int(givenumber)
while i <= givenumber:
inlist = 1
g = 2
while g <= i/2:
if i%g == 0:
inlist = 0
g += 1
if inlist == 1:
list1.append(i)
i += 1
print list1
print "Coding by George Skouroupathis"
testword = raw_input("(Press Enter to Quit)")