WARM UP EXERCISE

>>> l=[23,56,90,56]

>>> x=[i for i in l if i>50]

>>> x

 

>>> s="illumination"
>>> s.count('i')

s="illumination"

s[-1:-8:-2]

def f():
    x = 42
    def g():

           x = 43
    print("Before calling g: " + str(x))
    print("Calling g now:")
    g()
    print("After calling g: " + str(x))

x = 3
f()
print("x in main: " + str(x))

l=[]
def convert(b):
      if(b==0):
           return l
      dig=b%2
      l.append(dig)
      convert(b//2)

convert(10)
l.reverse()
for i in l:
     print(i,end="")