print("Hello World!")
# formatted strings
name = 'Johnny'
age = 55
print('hi ' + name + '. You are ' + str(age) + ' years old')
# Writing the same code with formatted string
print(f' hi {name} . You are {age} years old')
# Using the .format() method from python 2
print(' hi {} . You are {} years old'.format('Jonny', '55'))
# using variables
print('hi {} . You are {} years old' .format(name, age))
# Using indexing
print('hi {0} . You are {1} years old'.format(name, age))
# creating new variables
print('Hi {new_name} . You are {age} years old'.format(new_name='Sally', age=100))
# String Indexes
selfish = 'me me me'
# 01234567
print(selfish[0])
print(selfish[7])
selfish = '01234567'
# 01234567
print(selfish[0])
print(selfish[7])
