Python for Informatics - Chapter 8 - Lists

[valitacorrea]

Excellent class. You should be be a pro-wrestler and call your finishing move "the Severance Package".

[freddythobhani]

>>> print "python with chuck"
fun
(see python also knows that)

[errolcasey]

love the "magic" fixes to your slides!

[southpawje]

Dr. Chuck you could be in the 'Wild Hogs' biker gang with that avatar

[fairchildable]

Great work Chuck! Keep it it. Really helpful!

[mahimsd]

gr8 work Prof
I would like to do a PhD under u

[Curchel]

Do you teach anything like this in java

[markus]

numlist = []
stop = False

while True:
inp = input("Enter a number:")

try:
number = float(inp)
numlist.append(number)

except ValueError:
if inp == "":
print("\nNo number detected?\nType 'done' to calculate\nType 'stop' to exit\n")

elif inp.lower() == "done":
break

elif inp.lower() == "stop":
stop = True
break

if not stop:

try:
average = sum(numlist) / len(numlist)
print("Average: ", average)

except ZeroDivisionError:
print("Stopped user from dividing by zero, phew, close call..\n")

[fritzauguste]

# why isnt this working? it works if i have line[0]='F', but it wont allow me to be more specific with line[0:3]. why not?
code>>
file=open('mbox-short.txt', 'r')
print 'works'
for line in file:
 if line[0:3]=='From':
  print line
 else: 
  continue