Pythonfor循环你了解吗

for x in range(5):
    print('hello')

numbers1 = [1,2,3,4,5]
numbers2 = (6,7,2,5)
name = "zhang"
for x in numbers1:
    print(x)
for x in numbers2:
    print(x)
for x in name:
    print(x)

for x in [3,4,5,8,9]:
    if (x % 3 == 0):
        continue    
    print(x)

numbers = [3,4,5,8,9]
for x in numbers:
    if (x == 5):
        break
    print(x)
print("程序结束了")

for x in range(1,101):
    if (x % 3 == 0):
        print('Y')
    elif (x % 5 == 0):
        print('N')
    elif (x % 3 == 0 & x % 5 == 0):
        print('Hello')
    else:
        print(x)

for x in range(1,101):
    if (x % 3 == 0 and x % 15 != 0):
        print('Y')
        if (x == 66):
            break
    elif (x % 5 == 0 and x % 15 != 0):
        print('N')
    elif (x % 15 == 0):
        print('Hello')
    elif (x % 7 == 0):
        continue
    else:
        print(x)

weeks = ['Monday','Tuesday','Friday']
for x in weeks:
    for n in x:
        print(n)
    print("-------")

weeks = ['Monday','Tuesday','Friday']
is_found = False
for x in weeks:
    if (is_found):
        break
    for n in x:
        if(n == 'a'):
            is_found = True
            break
        print(n)
    print("-------")

scores = [98,97,95,86,23]
for order,s in enumerate(scores):
    print(order+1,s)

import random
class RandomCount:
    def __iter__(self):
        return self
    def __next__(self):
        return random.randint(1,10)
 
rc = RandomCount()
for s in rc:
    print(s)