Consider the following code. Figure from the original question paper Which substitution methods will work WITHOUT raising KeyError ?

(B) out = template.safe_substitute({"name": "Alice"})

(C) out = template.substitute({"name": "Alice", "count": 5})

(D) out = template.safe_substitute({"name": "Alice", "count": 5})

(A) out = template.substitute({"name": "Alice"})

Modern Application Development I · Quiz 1 · 15 Mar 2026 · January 2026 term

Question 15: Consider the following code. Which substitution methods …

Question 15

+3 marksOne or more correct options

Consider the following code.

Which substitution methods will work WITHOUT raising KeyError ?

Select all that apply.

A
out = template.substitute({"name": "Alice"})
B
out = template.safe_substitute({"name": "Alice"})
C
out = template.substitute({"name": "Alice", "count": 5})
D
out = template.safe_substitute({"name": "Alice", "count": 5})

Show answer

Correct answers

B
out = template.safe_substitute({"name": "Alice"})
C
out = template.substitute({"name": "Alice", "count": 5})
D
out = template.safe_substitute({"name": "Alice", "count": 5})

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Question 15 of 15 in the IIT Madras BS Modern Application Development I (MAD 1) Quiz 1 paper sat on 15 Mar 2026, in the January 2026 term (Modern Application Development I 15 Mar 26). It carries 3 marks.

Question 15: Consider the following code. Which substitution methods …

Question 15

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