Day 1

x = 2

type(x)

int

this is our first day

# Hi

y=3

z=x+y

z=5

y= x+z

a = z*2

a

10

print(a)

10

string1 = "Hello"

string1[0] = 's'

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-13-d7321e158002> in <module>
----> 1 string1[0] = 's'

TypeError: 'str' object does not support item assignment

keerthi = [1,2,3.4,'Hi',[3,4,5]]

keerthi[0]=5

keerthi

[5, 2, 3.4, 'Hi', [3, 4, 5]]

mylist[1:]

[2, 3.4, 'Hi', [3, 4, 5]]

mylist[4][1]

4

x = 1

y = str(x)

y

'1'

z = float(x)

z

1.0

a = 'Hi'

b = int(a)

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-30-8bc774163872> in <module>
----> 1 b = int(a)

ValueError: invalid literal for int() with base 10: 'Hi'

keerthi

[5, 2, 3.4, 'Hi', [3, 4, 5]]

age = 28

print("My age is" + age)

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-36-49fc4b0318e5> in <module>
----> 1 print("My age is" + age)

TypeError: can only concatenate str (not "int") to str

type(age)

int

print("My age is" + str(age))

My age is28

print("My age is",age)

My age is 28

print(f"my age is {age}")

my age is 28

mylist = [1,2,3]

sum(mylist)

6

sum

<function sum(iterable, start=0, /)>