python loop index code example

Example 1: python3 iterate through indexes

items=['baseball','basketball','football']
for index, item in enumerate(items):
    print(index, item)

Example 2: python access index in for loop

for index, item in enumerate(items):
    print(index, item)

#if you want to start from 1 instead of 0
for count, item in enumerate(items, start=1):
    print(count, item)

Example 3: python gt index in for cycle

my_list = [0,1,2,3,4]
for idx, val in enumerate(my_list):
    print('{0}: {1}'.format(idx,val))
#This will print:
#0: 0
#1: 1
#2: 2
#...

Example 4: how to loop the length of an array pytoh

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

Example 5: python for loop index

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

Example 6: python array looping

array = ["Var1","Var2","Var3"]
for i in range(len(array)):
  print(array[i])
  
#Output#
#Var1
#Var2
#Var3