单选题

想要统计数字 1 在列表 number 中出现的次数, 正确的代码是? ( )

A

n = 0

for i in range(len(number) ) :

        if number[i] == 1:

                n += 1

print(n)

B

n = 0

for i in range(len(number) ) :

        if i == 1:

                n += 1

print(n)

C

n = 0

for i in range(number) :

        if number[i]==1:

        n+=1

print(n)

D

n = 0

for i in range(len(number) ) :

        n+=1

print(n)

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