7_loop

#for

a = [1, 2, 3, 4, 5]
b = ['a','b','c','d','e']
for x in a:
    for y in b:
        print(x,y)


# break,continue
print('\n\nbreak\n')
print('--------\n')
for x in a:
    if x == 4:
        print('found... break....')
        break
    print(x)
print('\n\ncontinue\n')
print('--------\n')
for x in b:
    if x == 'b':
        print('found... continue....')
        continue
    print(x)


# while
print('\nwhile\n')
print('--------\n')
x = 0
while x < 5:
    print(x)
    x += 1

#range
print('\n range \n')
print('--------\n')
summ = 0
for x in range(1, 10):
    summ += x
print(summ)