data_types2.py

# -*- coding: utf-8 -*-
"""Data types2.ipynb

Automatically generated by Colaboratory.

Original file is located at
    https://colab.research.google.com/drive/1qwsy7cnT48IxhEJm3L8czFfH2jDN_ior
"""

temp = 5
print(temp, "is of type", type(temp))

Size = 2.0
print(Size, "is of type", type(Size))

complexNum = 1+2j
print(a, "is complex number?", isinstance(1+2j,complexNum))

temp = [5,10,15,20,25,30,35,40]

# temp[2] = 15
print("a[2] = ", temp[2])

# temp[0:3] = [5, 10, 15]
print("temp[0:3] = ", temp[0:3])

# temp[5:] = [30, 35, 40]
print("temp[5:] = ", temp[5:])

a = [1, 2, 3]
a[2] = 4       # mutable
print(a)

str1 = 'Hello world!'

# str1[4] = 'o'
print("str1[4] = ", str1[4])

# str1[6:11] = 'world'
print("str1[6:11] = ", str1[6:11])

# Generates error
# Strings are immutable in Python
str1[5] ='d'

test = {5,2,3,1,4}

# printing set variable
print("test = ", test)

# data type of variable a
print(type(test))


sample = {1,2,3}
print(sample[1])  # does not work

dict1 = {1:'value','key':4}
print(type(dict1))

print("dict1[1] = ", dict1[1])

print("dict1['key'] = ", dict1['key'])

float(5)
int(10.6)
float('2.5')
str(25)

var_int = 123
var_float = 1.23

var_new = var_int + var_float

print("datatype of var_int:",type(var_int))
print("datatype of var_float:",type(var_float))

print("Value of num_new:",var_new)
print("datatype of var_new:",type(var_new))

var_int = 300
var_str = "500"

print(var_int + var_str)

num_int = 500
num_str = "390"

print("Data type of num_int:",type(num_int))
print("Data type of num_str before Type Casting:",type(num_str))

num_str = int(num_str)
print("Data type of num_str after Type Casting:",type(num_str))

num_sum = num_int + num_str

print("Sum of num_int and num_str:",num_sum)
print("Data type of the sum:",type(num_sum))