## NPTEL Programming, Data Structures and Algorithms using Python Week 2 Assignment Answers 2024

1. One of the following 10 statements generates an error. Which one? (Your answer should be a number between 1 and 10.)

```
x = [[3,5],"mimsy",2,"borogove",1] # Statement 1
y = x[0:50] # Statement 2
z = y # Statement 3
w = x # Statement 4
x[1] = x[1][:5] + 'ery' # Statement 5
y[1] = 4 # Statement 6
w[1][:3] = 'fea' # Statement 7
z[4] = 42 # Statement 8
x[0][0] = 5555 # Statement 9
a = (x[3][1] == 1) # Statement 10
```

Answer :-Click Here

2. Consider the following lines of Python code.

```
b = [43,99,65,105,4]
a = b[2:]
d = b[1:]
c = b
d[1] = 95
b[2] = 47
c[3] = 73
```

Which of the following holds at the end of this code?

- a[0] == 47, b[3] == 73, c[3] == 73, d[1] == 47
- a[0] == 65, b[3] == 105, c[3] == 73, d[1] == 95
- a[0] == 65, b[3] == 73, c[3] == 73, d[1] == 95
- a[0] == 95, b[3] == 73, c[3] == 73, d[1] == 95

Answer :-Click Here

3. What is the value of endmsg after executing the following lines?

```
startmsg = "anaconda"
endmsg = ""
for i in range(1,1+len(startmsg)):
endmsg = endmsg + startmsg[-i]
```

Answer :-Click Here

4. What is the value of mylist after the following lines are executed?

```
def mystery(l):
l = l[2:]
return(l)
mylist = [7,11,13,17,19,21]
mystery(mylist)
```

Answer :-Click Here