What is for in python

Python for loop can iterate through any sequence of items, such as a list or a string.

Grammar: (Recommended learning: Python video tutorial)

The syntax format of the for loop is as follows:

for iterating_var in sequence:
   statements(s)

Flow chart:

Example:

#!/usr/bin/python
# -*- coding: UTF-8 -*-
 
for letter in 'Python':     # 第一个实例
   print '当前字母 :', letter
 
fruits = ['banana', 'apple',  'mango']
for fruit in fruits:        # 第二个实例
   print '当前水果 :', fruit
 
print "Good bye!"

Output result of the above example:

 当前字母 : P
当前字母 : y
当前字母 : t
当前字母 : h
当前字母 : o
当前字母 : n
当前水果 : banana
当前水果 : apple
当前水果 : mango
Good bye!

For more Python related technical articles, please visit the Python Tutorial column to learn!

The above is the detailed content of What is for in python. For more information, please follow other related articles on the PHP Chinese website!