Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 26 2018, 23:26:24) 
[Clang 6.0 (clang-600.0.57)] on darwin
Type "copyright", "credits" or "license()" for more information.
>>> x = 10
>>> while x <100:
	print(x)
	x = x + 12

	
10
22
34
46
58
70
82
94
>>> for x in range(10,100,12)
SyntaxError: invalid syntax
>>> for x in range(10,100,12):
	print(x)

	
10
22
34
46
58
70
82
94
>>> for x in range(10,100,12):
	print(x)

	
10
22
34
46
58
70
82
94
>>> x = 10
>>> while x<100:
	print(x)

	
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10Traceback (most recent call last):
  File "<pyshell#14>", line 2, in <module>
    print(x)
KeyboardInterrupt
>>> x = [1,2,3,11]
>>> for a in x:
	print(a)

	
1
2
3
11
>>> y = [ [1,2], [3,4], [5,6], [98,99] ]
>>> len(y)
4
>>> y[0]
[1, 2]
>>> y[3]
[98, 99]
>>> y[3][0]
98
>>> t = [ [1,2,3,4], [11,12,13,14], [91,92,93,94]]
>>> t
[[1, 2, 3, 4], [11, 12, 13, 14], [91, 92, 93, 94]]
>>> for x in t:
	print(x)

	
[1, 2, 3, 4]
[11, 12, 13, 14]
[91, 92, 93, 94]
>>> for x in t:
	for y in x:
		print(x,y,end=" ")

		
[1, 2, 3, 4] 1 [1, 2, 3, 4] 2 [1, 2, 3, 4] 3 [1, 2, 3, 4] 4 [11, 12, 13, 14] 11 [11, 12, 13, 14] 12 [11, 12, 13, 14] 13 [11, 12, 13, 14] 14 [91, 92, 93, 94] 91 [91, 92, 93, 94] 92 [91, 92, 93, 94] 93 [91, 92, 93, 94] 94 
>>> for x in t:
	for y in x:
		print(x,y,end=" ")
	print("---")

	
[1, 2, 3, 4] 1 [1, 2, 3, 4] 2 [1, 2, 3, 4] 3 [1, 2, 3, 4] 4 ---
[11, 12, 13, 14] 11 [11, 12, 13, 14] 12 [11, 12, 13, 14] 13 [11, 12, 13, 14] 14 ---
[91, 92, 93, 94] 91 [91, 92, 93, 94] 92 [91, 92, 93, 94] 93 [91, 92, 93, 94] 94 ---
>>> for x in t:
	for y in x:
		if y==12:
			break
		print(y, end=" ")

		
1 2 3 4 11 91 92 93 94 
>>> for x in t:
	for y in x:
		if y==12:
			continue
		print(y, end=" ")

		
1 2 3 4 11 13 14 91 92 93 94 
>>> m = [ [1,3,5,7], [9,11,14,15], [17,19,1,23]]
>>> for x in m:
	for y in x:
		if y%2 == 1:
			print(y, end=" ")
		else:
			print("**")

			
1 3 5 7 9 11 **
15 17 19 1 23 
>>> for x in m:
	for y in x:
		if y%2 == 1:
			print(y, end=" ")
		else:
			print("**")
	print()

	
1 3 5 7 
9 11 **
15 
17 19 1 23 
>>> for x in m:
	for y in x:
		if y%2 == 1:
			print(y, end=" ")
		else:
			print("**", end="")
	print()

	
1 3 5 7 
9 11 **15 
17 19 1 23 
>>> for x in m:
	for y in x:
		if y%2 == 1:
			print(y, end=" ")
		else:
			print("**", end=" ")
	print()

	
1 3 5 7 
9 11 ** 15 
17 19 1 23 
>>> for x in m:
	for y in x:
		if y%2 == 1:
			print(y, end=" ")
			break
	print()

	
1 
9 
17 
>>> for x in m:
	for y in x:
		if y%2 == 0:
			print(y, end=" ")
			break
	print()

	

14 

>>>