# File: howtowrite.py

x=1
print(x)

y=x
print(x,y)

x=2
print(x,y)

z=x+y
print(x,y,z)


s='abc'
print(s)
t=s
print(s,t)
t="XYZ"
print(s,t)


u=s+t
print(s,t,u)



v=u.lower()
print(v)


a= 1
b= 2

if a == b:
    print('a==b')
else:
    print('a!=b')



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