Python编译遇到的一些错误及解决办法

nunicodeessscape codec can't decode bytes in position2-3:truncated\UXXXXXXXX escape

描述：im=Image.open("C:\Users\Administrator\Desktop\mylove.jpg")

解决方法：

im=Image.open(r"C:\Users\Administrator\Desktop\mylove.jpg")

TypeError: 'int' object is not iterable

描述：y=[i for i in 7]>>

解决方法：

y=[i for i in range(7)]

 TypeError: can only concatenate tuple (not "float") to tuple

描述:

movies = ["Annie Hall", "Ben-Hur", "Casablanca", "Gandhi", "West Side Story"]
xs = [i + 0.1 for i in enumerate(movies)]
print(xs)

>>

解决方法：

movies = ["Annie Hall", "Ben-Hur", "Casablanca", "Gandhi", "West Side Story"]
xs = [i + 0.1 for i, _ in enumerate(movies)]
print(xs)

补充：enumerate()函数返回的enumerate对象，是由多个元组组成，每次迭代取出的是一个元组，所以应该用两个参数接受迭代出来的值，测试

movies = ["Annie Hall", "Ben-Hur", "Casablanca", "Gandhi", "West Side Story"]
print(enumerate(movies))
print(list(enumerate(movies)))

for i in enumerate(movies):
    print(i)

for i in enumerate(movies):
    for j in i:
        print(j)
        
for i,j in enumerate(movies):
    print(i)
    print(j)

个人理解，如果我们只取单个元组中的一个值，那么第二个值通常用“_”表示，如：

for i,_ in enumerate(movies):
    print(i)

TypeError: Cannot handle this data type

 ？