[Python] 迴圈

for迴圈搭配list

for value in list:
    print(value)
fruits = ["apple", "orange", "banana", "grape"]

for fruit in fruits:
    print(fruit)
apple
orange
banana
grape



'''
建立一個演員的串列Jason Statham, Paul Walker, Bruce Willis, Brad Pitt, Vin Diesel
倒著輸出演員名單
輸出後面兩個演員'''
actor = ['Jason Statham', 'Paul Walker', 'Bruce Willis', 'Brad Pitt', 'Vin Diesel' ]
for i in actor[::-1]:
  print(i)
print("------------------")
for i in actor[-1::-1]:
  print(i)
print("------------------")
for i in actor[-2:]:
  print(i)
print("------------------")
for i in actor[-2:]:
  print(i[::-1])  
for迴圈搭配的函數
range()
range(number)
range(start, end)
range(start, end, step)


#range(number)
n = 3
num = range(3)
print(num)
num = list(num)
print(num)

n = 10
num_2 = list(range(n))
print(num_2)
range(0, 3)
[0, 1, 2]
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]






正面表述與背面表述

fruits = ["apple", "orange", "banana", "grape"]
print("正面表述")
for fruit in fruits:
    print(fruit)
print("背面表述")
for index in range(len(fruits)):
    print(fruits[index])
正面表述
apple
orange
banana
grape
背面表述
apple
orange
banana
grape



巢狀for迴圈
for i in range(value):
    for j in range(value):