loopingstatementspython.txt

vowels="AEIOU"
for iter in vowels:
    print("char:", iter)


int_list = [1, 2, 3, 4, 5, 6]
sum = 0
for iter in int_list:
    sum += iter
print("Sum =", sum)
print("Avg =", sum/len(int_list))


for iter in range(0, 3):
    print("iter: %d" % (iter))


books = ['C', 'C++', 'Java', 'Python']
for index in range(len(books)):
   print('Book (%d):' % index, books[index])

###FOR_ELSE
birds = ['Belle', 'Coco', 'Juniper', 'Lilly', 'Snow']
ignoreElse = False

for theBird in birds:
    print(theBird )
    if ignoreElse and theBird is 'Snow':
        break
else:
    print("No birds left.")


##WHILE
n = 5
while n > 0:
    n -=1
    print(n)

#WHILE BREAK
n = 5
while n > 0:
    n -= 1
    if n == 2:
        break
    print(n)
print('Loop ended.')

#WHILE CONTINUE
n = 5
while n > 0:
    n -= 1
    if n == 2:
        continue
    print(n)
print('Loop ended.')

#WHILE ELSE
n = 5
while n > 0:
   n -= 1
   print(n)
   if n == 2:
      break
   else:
      print('Loop done.')


#ONELINE WHILE
n =5
while n > 0: n -= 1; print(n)


#INTERACTIVE LOOPS
#WHILE
lines = list()
testAnswer = input('Press y if you want to enter more lines: ')
while testAnswer == 'y':
    line = input('Next line: ')
    lines.append(line)
    testAnswer = input('Press y if you want to enter more lines: ')

print('Your lines were:')
for line in lines:
    print(line)

#FOR
lines = list() 
n = int(input('How many lines do you want to enter? ')) 
for i in range(n): 
    line = input('Next line: ') 
    lines.append(line) 
 
print('Your lines were:')  # check now 
for line in lines: 
    print(line)