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1.for loop:
The for loop is used to iterate over a sequence (such as a list, tuple, string, or range) or any iterable object. It executes a block of code for each item in the sequence.
Example:
fruits = ["apple", "banana", "cherry"]
for fruit in fruits:
print(fruit)
Output:
apple
banana
cherry
In this example, the for loop iterates over each element in the fruits list and prints each item.
2.while loop:
The while loop executes a block of code as long as a given condition is true. It repeatedly checks the condition before each iteration.
Example:
count = 0
while count < 5:
print("Count:", count)
count += 1
Output:
Count: 0
Count: 1
Count: 2
Count: 3
Count: 4
In this example, the while loop runs until the count variable is less than 5. It prints the value of count and increments it by 1 in each iteration.
3.Nested loop:
A nested loop is a loop inside another loop. It allows you to perform repetitive tasks within repetitive tasks.
Example:
for i in range(1, 4):
for j in range(1, 4):
print(i, j)
Output:
Copy code
1 1
1 2
1 3
2 1
2 2
2 3
3 1
3 2
3 3
In this example, the outer for loop iterates over the values 1 to 3, and the inner for loop iterates over the same values. It prints the combination of both loop variables.
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