Python

Built-in functions

msg = "hello world"
print(msg.capitalize())
print(msg.islower())
print(msg.isupper())
IP=("192","168","1","1")
print(".".join(IP))
countries = ["India","Pakistan","UAE","Germany","UK","Australia"]
print(countries)
#append to add item
countries.append("US")
print(countries)
#pop to delete item
countries.pop()
print(countries)
countries.pop(3)
print(countries)

Output
Hello world
True
False
192.168.1.1
['India', 'Pakistan', 'UAE', 'Germany', 'UK', 'Australia']
['India', 'Pakistan', 'UAE', 'Germany', 'UK', 'Australia', 'US']
['India', 'Pakistan', 'UAE', 'Germany', 'UK', 'Australia']
['India', 'Pakistan', 'UAE', 'UK', 'Australia']