Python3 Range 函数 Python3 os 模块 Popen 方法 Python3 os 模块 Read 方法 Python3 Range 函数 #!/usr/bin/python3 for letter in 'Python': # traversal of a string sequence print ('Current Letter :', letter) print() fruits = ['banana', 'apple', 'mango'] for fruit in fruits: # traversal of List sequence print ('Current fruit :', fruit) print ("Good bye!") Python3 os 模块 Popen 方法 Python3 os 模块 Read 方法