variables,arithmetic operations & typecasting

 var1="hello,"

var6="satyam"
var7=32
var8="2"
var9="6"
var10=3.54
'''var2="4"
var3="6.75"
var4=4
var5=6.75'''
"""print(var1)
print(type(var1))
print(type(var2))
print(type(var3))
print(type(var4))
print(type(var5))"""
# Arithmetic operation
'''print(var4+var5)
print(var4-var5)
print(var4*var5)
print(var4/var5)'''
#print(var1+var6)          # showing no error
#print(var1-var6)          # after putting - it shows error
#print(var1+var7)          # showing error as 32 must be under ""
#print(var1+var8)           # showing no error
#print(var1-var8)          # showing error as we can,t subtract srt(string)

# we going to use typecasting to convert str into int ,int into float & float into int
'''print(int(var8)+int(var9))
print(int(var8)+int(var10))
print(float(var8)+float(var10))'''
# printing hello,world n times say n=10
#print(10*"hello,world\n")                # if we put +.-./ sign in place of * it showing error
#print(10*str(int(var8)+int(var10)))      # here we change int into str