Answers for "list iteration python"

python loop through list

list = [1, 3, 6, 9, 12] 
   
for i in list: 
    print(i)

list loop python

list = [1, 3, 5, 7, 9] 

# with index   
for index, item in enumerate(list): 
    print (item, " at index ", index)
    
# without index
for item in list:
  	print(item)

list iteration

def count_v1(dna, base):
    dna = list(dna)  # convert string to list of letters
    i = 0            # counter
    for c in dna:
        if c == base:
            i += 1
    return i