Looping techniques

Question 1

how to loop key pair value in a dictionary?

Answer 1

for k, v in d.items():

Question 2

how to value index, value in a sequence?

Answer 2

for i, v in enumerate(list):

Question 3

how to loop over two or more sequence at the same time?

Answer 3

questions = [‘name’, ‘quest’, ‘favorite color’]
answers = [‘lancelot’, ‘the holy grail’, ‘blue’]
for q, a in zip(questions, answers):
print(q,a)

Question 4

how to loop a sequence in reverse?

Answer 4

for i in reversed(range(1,10):

Question 5

how to loop a sequence in sorted order?

Answer 5

for i in sorted(set([‘apple’,’orange’]))