python iterate array with index code example

Example 1: how to loop the length of an array pytoh

array = range(10)
for i in range(len(array)):
  print(array[i])

Example 2: python enumerate for loop

presidents = ["Washington", "Adams", "Jefferson", "Madison", "Monroe", "Adams", "Jackson"]
for num, name in enumerate(presidents, start=1):
    print("President {}: {}".format(num, name))

Example 3: python iterate with index

for index, item in enumerate(iterable, start=1):
   print index, item

Example 4: how to iterate over a list in python with index

# Create the list
my_list = [1, 2, 3]

# Python automatically creates an index for you and increments it for you
for index in range(len(my_list)):
  print(my_list[index])

Example 5: python for loop array index

colors = ["red", "green", "blue", "purple"]
i = 0
while i < len(colors):
    print(colors[i])
    i += 1