What are the ways to traverse a list in Python?

There are several ways to traverse a list in Python:

##1. For loop traversal

lists = ["m1", 1900, "m2", 2000]
for item in lists:
print(item)

lists = ["m1", 1900, "m2", 2000]
for item in lists:
item = 0;
print(lists)

Run result:

['m1', 1900, 'm2', 2000]

2. While loop traversal:

lists = ["m1", 1900, "m2", 2000]
count = 0
while count < len(lists):
print(lists[count])
   count = count + 1

3. Index traversal:

for index in range(len(lists)):
   print(lists[index])

4. Use iter()

for val in iter(lists):
    print(val)

5. enumerate traversal method

for i, val in enumerate(lists):
    print(i, val)

Running results:

0 m1
1 1900
2 m2
3 2000

When traversing elements starting from non-0 subscripts, you can use the following method

for i, el in enumerate(lists, 1):
    print(i, el)

Running results:

1 m1
2 1900
3 m2
4 2000

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