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+#what is a for loop?
+A for loop in python is used to repeat a series of instructions until a particular condition is met
+It can be used for fixed iterations also.
+It must be indented at the end just like if statements
+An example is shown below
+#using for loops
+E.g lets try printing numbers from 1 to 20 using for loop
+1.We first put in our values in the range we want to print them
+E.g (start,stop)
+Note that the stop value stops at the value before the original value
+I.e if we are to print 1 to 10,we stop at 11 instead
+2.We then print
+       Soln
+1.for i in range(1,21):
+Print(i)
+#This program after running displays numbers from 1 to 20