# define a number 
time_elapsed_s = 12.34

#define a string
first_name = "John"

#define a boolean - True/False
is_online = True

first_name = input("What is your name? ")
print("Hello " + first_name)

#Convert String to int
birth_year = input("What is your birth year: ")
age = 2021 - int(birth_year)
print(age)

# or another way
birth_year = int(input("What is your birth year: "))
age = 2021 - birth_year
print("Age: " - str(age))

course = "Course Name"
index = course.find("u")
print(index)

#or to get True/False if an substring exists using IN
found = "Name" in course
print (found)