Biểu thức kiểm tra <xâu_1> nằm trong <xâu_2> là:
LUYỆN TẬP

Quiz
•
Computers
•
10th Grade
•
Hard
Phu Nguyen
Used 3+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
<xâu_1> in <xâu_2>
<xâu_1> is <xâu_2>
<xâu_1> and <xâu_2>
<xâu_1> or <xâu_2>
2.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Lệnh nào dùng để tìm vị trí đầu tiên của <xâu_con> trong <xâu_mẹ>?
<xâu_con>.find(<xâu_mẹ>, start)
<xâu_mẹ>.find(<xâu_con>, start)
<xâu_mẹ>.find(<xâu_con>, stop)
<xâu_con>.find(<xâu_mẹ>, step)
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Để kiểm tra một xâu có phải là xâu con của một xâu khác hay không, ta sử dụng......
toán tử in
lệnh find()
lệnh split()
lệnh join()
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Biểu thức logic nào đúng?
“010” in “0011000”
“010” in “0010100”
“101” in “0011000”
“011” in “0010100”
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Lệnh sau trả giá trị gì?
>>>"abababababab".find(“ab”,6)
6
4
5
7
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