#Class 4

a>b
b<b
a>=b
a<=b
a!=b
a==b

true or false

and
or
not

conditional executions 

if x>0:
    print("x is positive")
elif x<0:
    print("x is negative")
elif x==0:
    print("x is zero")

#true and false keywords are
    True
    False

if x%2 ==0 and x%3==0:
    print("divisibld by 2 and 3")

def f()
    f()
    #infinite recursion (1000 times), run time error

def countdown(n)
    if n <= 0:
        print("Finished")
    else print(n)
    countdown(n-1)

#how to input from our keyboard
    name = input("Please neter name")

#conversion
    int(score) float(score)

print(score)

if int(score) >= 50

#how to convert

number = int(input("please enter number"))


    

