For Loop

For Loop
For Loop

The For Loop:
Python implements an iterator-based ‘for loop’.It is a type of ‘for loop’ that iterates over a list of items through an explicit or implicit iterator.
The Loop is introduced by the keyword ‘for’ which is followed by a random variable name which contain the values supplied by the object.
This is the syntax of Python ‘for Loop’
for variable in list:
statements
else:
statements


1.Display natural from 1 to 10 using “For loop”

i=1
 n=int(input("Enter the number up to which you want to print the natural numbers?"))
 for i in range(0,10): 
print(i,end = ' ') 

OUTPUT:
0 1 2 3 4 5 6 7 8 9

Using range function with for loop:
The range() function can be combined with the ‘for loop’ to supply the numbers required by the loop.In the following example,the range(1,x+1) provided the numbers 1 to 50 needed by the ‘for loop’ to add the sum of 1 until 50:

x=50
total=0
total=total+number
print("Sum of 1 until %d:%d"%(x,total))

OUTPUT:
Sum of 1 until 50:1275
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