while लूप और लूप नियंत्रण

x = 0
while x < 5:
    print(x)
    x += 1

count = 0
while True:
    count += 1
    if count >= 3:
        break
print(count)

for i in range(10):
    if i % 2 == 0:
        continue
    print(i)

for i in range(10):
    if i == 5:
        break
print('stopped at', i)

n = 7
i = 2
while i < n:
    if n % i == 0:
        break
    i += 1
else:
    print(n, 'is prime')

# while True:
#     try: x = int(input('Enter a number: ')); break
#     except ValueError: print('Invalid')
print('pattern demo')

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

data = ['a', 'b', 'quit', 'c']
for val in data:
    if val == 'quit':
        break
    print(val)

found = False
for i in range(3):
    for j in range(3):
        if i == 1 and j == 1:
            found = True
            break
    if found: break
print('found at', i, j)

for _ in range(5):
    pass  # placeholder
print('done')