Loop

for loop

Input

for i in range(10):
    print(i)

Output

0
1
2
3
4
5
6
7
8
9

while loop

prompt = "\nTell me something, and I will repeat it back to you:"
prompt += "\nEnter 'quit' to end the program. "

message = ""
while message != 'quit':
    message = input(prompt)
    print(message)

• Use a flag to do the same:

prompt = "\nTell me something, and I will repeat it back to you:"
prompt += "\nEnter 'quit' to end the program. "

active = True
while active:
    message = input(prompt)

    if message == 'quit':
        active = False
    else:
        print(message)

break

prompt = "\nTell me something, and I will repeat it back to you:"
prompt += "\nEnter 'quit' to end the program. "

while True:
    message = input(prompt)

    if message == 'quit':
        break
    else:
        print(message)

continue

continue takes to the beginging of loop.

Input

current_num = 0
while current_num < 10:
    current_num += 1
    if current_num % 2 == 0:
        continue
    print(current_num)  # print odd numbers only

Output

1
3
5
7
9