This is the sample code.
What is the type of fruit and letter in my code (whether int, list, dict, ...) when I have not declared any?
for letter in 'Python': //**how letter is set to string**
print 'Current Letter :', letter
fruits = 1,45
for fruit in fruits: /****/how fruit is set to int int****
print 'Current fruit :', fruit
output
Current Letter : P
Current Letter : y
Current Letter : t
Current Letter : h
Current Letter : o
Current Letter : n
Current fruit : 1
Current fruit : 45