"""將一個列表的數據復制到另一個列表中。"""

"""
使用[:]

"""

a = [1,2,3]
b = a[:]
print b       # 將a的數據賦值給b 當a的數值發生改變時b不變
[1, 2, 3]
a = [1,2,3]
b = a
print b       # 將a的地址賦值給b 當a的數值發生改變時b隨之改變
[1, 2, 3]
a = [1,2,3]
b = a[:]
print b
a[0] = 0
print a        # 將a的數據賦值給b 當a的數值發生改變時b不變
print b
[1, 2, 3]
[0, 2, 3]
[1, 2, 3]
a 
 
= [1,2,3]
b = a
print b
a[0] = 0
print a         # 將a的地址賦值給b 當a的數值發生改變時b隨之改變
print b

python學習====復制list