loops_demo.py

a = 1
while a < 5:
    a +=1
    print(a)

for i in [0, 1, 2, 3, 4]:
    print(i+6)

print("---")
for i in range(5):
    print(i+6)

for i in range(3):
    for j in range(3):
        print(i, j)

print("---")
for i in range(5):
    if i == 2:
        break
    print(i)

print("---")
for i in range(5):
    if i == 2:
        continue
    print(i)

print("---")
for i in range(5):
    if i == 2:
        pass
    print(i)

for c in "string":
    print(c)

for key,value in {"a": 1, "b":2, "c":3}.items():
    print(key,value)