
Bài tập củng cố: Bài 24. Xâu kí tự
Quiz
•
Information Technology (IT)
•
10th Grade
•
Practice Problem
•
Medium
Diep Nguyen
Used 7+ times
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Câu 1. Trong Python, lệnh nào sau đây dùng để đưa ra độ dài của xâu?
A. length()
B. len()
C. s. len()
D. s. length()
2.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Câu 2. Xâu "Hoa cỏ mùa xuân" có độ dài bằng bao nhiêu?
A. 15
B. 16
C. 17
D. 18
3.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Câu 3. Kết quả của chương trình sau là bao nhiêu?
s="abcdefg"
print(s[2])
A. "b"
B. "c"
C. "d"
D. "e"
4.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Câu 4. Biểu thức sau cho kết quả True hay False?
S1= "12345", S2= "3e4r45", S3= "45"
S3 in S1
S3 in S2
A. False, True
B. True, False
C. True, True
D. False, False
5.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Câu 5. Để duyệt các kí tự trong xâu, ta có mấy cách?
A. 2
B. 3
C. 4
D. 5
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