\u7f16\u7a0b\u4e2d\u7684\u5faa\u73af\u7ed3\u6784\u662f\u91cd\u590d\u6267\u884c\u7279\u5b9a\u4ee3\u7801\u5757\u7684\u57fa\u7840\u5de5\u5177，\u5b83\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u9ad8\u6548\u5904\u7406\u91cd\u590d\u6027\u4efb\u52a1，\u51cf\u5c11\u4ee3\u7801\u5197\u4f59\u3002\u5728Python\u4e2d，\u5faa\u73af\u7ed3\u6784\u4e3b\u8981\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b：<\/p>\n
for\u5faa\u73af：<\/p>\n
sum = 0
\nfor i in range(1, 11):
\n sum += i**2<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
while\u5faa\u73af：<\/p>\n
password = ""
\nwhile password != "secret":
\n password = input("\u8bf7\u8f93\u5165\u5bc6\u7801：")<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
\u63a7\u5236\u8bed\u53e5：<\/p>\n
for item in my_list:
\n if item == target:
\n print("\u627e\u5230\u76ee\u6807")
\n break<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
for num in range(1, 11):
\n if num % 2 == 0:
\n continue
\n print(num)<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d，\u5faa\u73af\u7ed3\u6784\u5e38\u4e0e\u6761\u4ef6\u5224\u65ad\u7ed3\u5408\u4f7f\u7528，\u5982\u6570\u636e\u5904\u7406\u3001\u7b97\u6cd5\u5b9e\u73b0\u3001\u6279\u91cf\u64cd\u4f5c\u7b49\u573a\u666f\u3002\u5408\u7406\u4f7f\u7528\u5faa\u73af\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u4ee3\u7801\u6548\u7387\u548c\u53ef\u8bfb\u6027，\u4f46\u9700\u8981\u6ce8\u610f\u907f\u514d\u65e0\u9650\u5faa\u73af\u548c\u6027\u80fd\u95ee\u9898\u3002<\/p>\n
for\u5faa\u73af\u662f\u904d\u5386\u5e8f\u5217（\u5982\u5217\u8868\u3001\u5143\u7ec4\u3001\u5b57\u7b26\u4e32）\u6216\u5176\u4ed6\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u7406\u60f3\u9009\u62e9\u3002\u5176\u57fa\u672c\u8bed\u6cd5\u7ed3\u6784\u7b80\u5355\u76f4\u89c2：<\/p>\n
for \u53d8\u91cf in \u53ef\u8fed\u4ee3\u5bf9\u8c61:
\n \u6267\u884c\u8bed\u53e5<\/p>\n
\u4e00\u4e2a\u5178\u578b\u793a\u4f8b\u662f\u904d\u5386\u6570\u5b57\u5217\u8868：<\/p>\n
numbers = [1, 2, 3, 4, 5]
\nfor num in numbers:
\n print(num * 2)<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa\u5217\u8868\u4e2d\u6bcf\u4e2a\u6570\u5b57\u7684\u4e24\u500d\u3002for\u5faa\u73af\u4f1a\u81ea\u52a8\u5904\u7406\u8fed\u4ee3\u8fc7\u7a0b，\u65e0\u9700\u624b\u52a8\u7ef4\u62a4\u8ba1\u6570\u5668\u3002<\/p>\n
range()\u51fd\u6570\u5e38\u4e0efor\u5faa\u73af\u914d\u5408\u4f7f\u7528，\u751f\u6210\u6570\u5b57\u5e8f\u5217：<\/p>\n
for i in range(5): # 0\u52304
\n print(i)<\/p>\n
\u53ef\u4ee5\u6307\u5b9a\u8d77\u59cb\u503c\u3001\u7ed3\u675f\u503c\u548c\u6b65\u957f：<\/p>\n
for i in range(2, 10, 2): # 2\u52308，\u6b65\u957f2
\n print(i)<\/p>\n
while\u5faa\u73af\u5728\u6761\u4ef6\u4e3a\u771f\u65f6\u91cd\u590d\u6267\u884c\u4ee3\u7801\u5757，\u9002\u7528\u4e8e\u4e0d\u786e\u5b9a\u5faa\u73af\u6b21\u6570\u7684\u60c5\u51b5：<\/p>\n
while \u6761\u4ef6\u8868\u8fbe\u5f0f:
\n \u6267\u884c\u8bed\u53e5<\/p>\n
\u8ba1\u6570\u5668\u63a7\u5236\u7684\u7b80\u5355\u793a\u4f8b：<\/p>\n
count = 0
\nwhile count < 5:
\n print(count)
\n count += 1 # \u5fc5\u987b\u66f4\u65b0\u6761\u4ef6\u53d8\u91cf<\/p>\n
\u65e0\u9650\u5faa\u73af\u9700\u8981\u8c28\u614e\u4f7f\u7528，\u53ef\u901a\u8fc7\u6761\u4ef6\u4e2d\u65ad：<\/p>\n
while True:
\n user_input = input("\u8f93\u5165'quit'\u9000\u51fa: ")
\n if user_input == 'quit':
\n break<\/p>\n
break\u8bed\u53e5\u7528\u4e8e\u7acb\u5373\u7ec8\u6b62\u5f53\u524d\u5faa\u73af，\u5e38\u7528\u4e8e\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u63d0\u524d\u9000\u51fa：<\/p>\n
for num in range(10):
\n if num == 5:
\n break
\n print(num) # \u53ea\u6253\u53700-4<\/p>\n
\u5728\u5d4c\u5957\u5faa\u73af\u4e2d，break\u53ea\u5f71\u54cd\u6240\u5728\u5c42\u7684\u5faa\u73af：<\/p>\n
for i in range(3):
\n for j in range(5):
\n if j == 2:
\n break
\n print(f"i={i}, j={j}")<\/p>\n
continue\u8df3\u8fc7\u5f53\u524d\u8fed\u4ee3\u7684\u5269\u4f59\u90e8\u5206，\u76f4\u63a5\u8fdb\u5165\u4e0b\u4e00\u6b21\u5faa\u73af：<\/p>\n
for num in range(10):
\n if num % 2 == 0:
\n continue
\n print(num) # \u53ea\u6253\u5370\u5947\u6570<\/p>\n
\u5b9e\u9645\u5e94\u7528\u4e2d\u53ef\u8fc7\u6ee4\u4e0d\u7b26\u5408\u6761\u4ef6\u7684\u6570\u636e：<\/p>\n
numbers = [1, 2, None, 4, 5, None]
\nfor num in numbers:
\n if num is None:
\n continue
\n print(num * 2)<\/p>\n
\u5faa\u73af\u7684else\u5b50\u53e5\u5728\u5faa\u73af\u6b63\u5e38\u7ed3\u675f（\u975ebreak\u4e2d\u65ad）\u65f6\u6267\u884c：<\/p>\n
for num in range(3):
\n print(num)
\nelse:
\n print("\u5faa\u73af\u5b8c\u6210")<\/p>\n
\u67e5\u627e\u8d28\u6570\u7684\u793a\u4f8b：<\/p>\n
for n in range(2, 10):
\n for x in range(2, n):
\n if n % x == 0:
\n print(f"{n} \u7b49\u4e8e {x}*{n\/\/x}")
\n break
\n else:
\n print(f"{n} \u662f\u8d28\u6570")<\/p>\n
\u5b9e\u9645\u5f00\u53d1\u4e2d\u5e38\u7ec4\u5408\u4f7f\u7528\u8fd9\u4e9b\u7ed3\u6784\u3002\u4f8b\u5982\u5904\u7406\u7528\u6237\u8f93\u5165：<\/p>\n
valid_inputs = ['a', 'b', 'c']
\nwhile True:
\n user_choice = input("\u8bf7\u9009\u62e9(a\/b\/c): ").lower()
\n if user_choice not in valid_inputs:
\n print("\u65e0\u6548\u8f93\u5165")
\n continue
\n print(f"\u4f60\u9009\u62e9\u4e86{user_choice}")
\n break<\/p>\n
\u6587\u4ef6\u5904\u7406\u65f6\u8df3\u8fc7\u7279\u5b9a\u884c：<\/p>\n
with open('data.txt') as file:
\n for line in file:
\n if line.startswith('#'):
\n continue
\n process(line)<\/p>\n
for\u5faa\u73af\u901a\u5e38\u6bd4while\u66f4\u9ad8\u6548，\u7279\u522b\u662f\u5728\u904d\u5386\u5df2\u77e5\u5e8f\u5217\u65f6\u3002\u5e94\u907f\u514d\u5728\u5faa\u73af\u5185\u8fdb\u884c\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97：<\/p>\n
# \u4e0d\u4f73\u5b9e\u8df5
\nfor i in range(len(data)):
\n process(data[i])<\/p>\n
# \u66f4\u597d\u65b9\u5f0f
\nfor item in data:
\n process(item)<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u53ef\u66ff\u4ee3\u7b80\u5355\u5faa\u73af：<\/p>\n
squares = [x**2 for x in range(10)]<\/p>\n
\u521d\u5b66\u8005\u5e38\u72af\u7684\u9519\u8bef\u5305\u62ec：<\/p>\n
\u8c03\u8bd5\u6280\u5de7：<\/p>\n
# 1. \u57fa\u7840for\u5faa\u73af
\nprint("\u57fa\u7840for\u5faa\u73af\u793a\u4f8b:")
\nfruits = ["apple", "banana", "cherry"]
\nfor fruit in fruits:
\n print(fruit.upper())<\/p>\n
# 2. range()\u51fd\u6570\u4f7f\u7528
\nprint("\\\\nrange()\u51fd\u6570\u793a\u4f8b:")
\nfor i in range(3, 8, 2):
\n print(f"\u5f53\u524d\u6570\u5b57: {i}")<\/p>\n
# 3. while\u5faa\u73af\u8ba1\u6570\u5668
\nprint("\\\\nwhile\u5faa\u73af\u8ba1\u6570\u5668\u793a\u4f8b:")
\ncounter = 0
\nwhile counter < 3:
\n print(f"\u8ba1\u6570: {counter}")
\n counter += 1<\/p>\n
# 4. \u7528\u6237\u8f93\u5165\u9a8c\u8bc1
\nprint("\\\\n\u7528\u6237\u8f93\u5165\u9a8c\u8bc1\u793a\u4f8b:")
\nwhile True:
\n age = input("\u8bf7\u8f93\u5165\u60a8\u7684\u5e74\u9f84(\u8f93\u5165quit\u9000\u51fa): ")
\n if age == 'quit':
\n break
\n if not age.isdigit():
\n print("\u8bf7\u8f93\u5165\u6570\u5b57!")
\n continue
\n print(f"\u60a8\u660e\u5e74\u7684\u5e74\u9f84\u5c06\u662f: {int(age)+1}")<\/p>\n
# 5. break\u5e94\u7528
\nprint("\\\\nbreak\u8bed\u53e5\u793a\u4f8b:")
\nfor num in range(10):
\n if num == 7:
\n print("\u627e\u52307，\u7ec8\u6b62\u5faa\u73af")
\n break
\n print(f"\u5f53\u524d\u6570\u5b57: {num}")<\/p>\n
# 6. continue\u5e94\u7528
\nprint("\\\\ncontinue\u8bed\u53e5\u793a\u4f8b:")
\nfor num in range(10):
\n if num % 3 == 0:
\n continue
\n print(f"\u4e0d\u88ab3\u6574\u9664\u7684\u6570: {num}")<\/p>\n
# 7. \u5faa\u73afelse\u5b50\u53e5
\nprint("\\\\n\u5faa\u73afelse\u5b50\u53e5\u793a\u4f8b:")
\nnumbers = [1, 3, 5, 7]
\nsearch = 8
\nfor num in numbers:
\n if num == search:
\n print(f"\u627e\u5230{search}")
\n break
\nelse:
\n print(f"\u672a\u627e\u5230{search}")<\/p>\n
# 8. \u5d4c\u5957\u5faa\u73af
\nprint("\\\\n\u5d4c\u5957\u5faa\u73af\u793a\u4f8b:")
\nfor i in range(3):
\n for j in range(2):
\n print(f"\u5916\u5c42{i}, \u5185\u5c42{j}")<\/p>\n
# 9. \u5217\u8868\u63a8\u5bfc\u5f0f
\nprint("\\\\n\u5217\u8868\u63a8\u5bfc\u5f0f\u793a\u4f8b:")
\nsquares = [x**2 for x in range(1, 6)]
\nprint(f"\u5e73\u65b9\u6570\u5217\u8868: {squares}")<\/p>\n
# 10. \u7efc\u5408\u5e94\u7528
\nprint("\\\\n\u7efc\u5408\u5e94\u7528\u793a\u4f8b:")
\ndata = [10, 0, 20, None, 30, "40", 50]
\ntotal = 0
\nfor item in data:
\n if not isinstance(item, (int, float)):
\n print(f"\u8df3\u8fc7\u975e\u6570\u5b57\u503c: {item}")
\n continue
\n if item == 0:
\n print("\u9047\u52300，\u7ec8\u6b62\u8ba1\u7b97")
\n break
\n total += item
\nelse:
\n print("\u6240\u6709\u6709\u6548\u6570\u5b57\u5df2\u5904\u7406")
\nprint(f"\u7d2f\u8ba1\u603b\u548c: {total}")<\/p>\n
\u8fd9\u7bc7\u6587\u7ae0\u8be6\u7ec6\u4ecb\u7ecd\u4e86Python\u5faa\u73af\u7ed3\u6784\u7684\u5404\u79cd\u7528\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879，\u4ece\u57fa\u7840\u8bed\u6cd5\u5230\u9ad8\u7ea7\u5e94\u7528，\u6700\u540e\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u793a\u4f8b\u4ee3\u7801\u4f9b\u8bfb\u8005\u53c2\u8003\u548c\u5b9e\u8df5\u3002\u7406\u89e3\u8fd9\u4e9b\u6982\u5ff5\u662f\u638c\u63e1Python\u7f16\u7a0b\u7684\u91cd\u8981\u57fa\u7840\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb349\u6b21\uff0c\u70b9\u8d5e12\u6b21\uff0c\u6536\u85cf3\u6b21\u3002\u8fd9\u7bc7\u6587\u7ae0\u8be6\u7ec6\u4ecb\u7ecd\u4e86Python\u5faa\u73af\u7ed3\u6784\u7684\u5404\u79cd\u7528\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879\uff0c\u4ece\u57fa\u7840\u8bed\u6cd5\u5230\u9ad8\u7ea7\u5e94\u7528\uff0c\u6700\u540e\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u793a\u4f8b\u4ee3\u7801\u4f9b\u8bfb\u8005\u53c2\u8003\u548c\u5b9e\u8df5\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5faa\u73af\u7ed3\u6784\u5e38\u4e0e\u6761\u4ef6\u5224\u65ad\u7ed3\u5408\u4f7f\u7528\uff0c\u5982\u6570\u636e\u5904\u7406\u3001\u7b97\u6cd5\u5b9e\u73b0\u3001\u6279\u91cf\u64cd\u4f5c\u7b49\u573a\u666f\u3002\u5408\u7406\u4f7f\u7528\u5faa\u73af\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u4ee3\u7801\u6548\u7387\u548c\u53ef\u8bfb\u6027\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u907f\u514d\u65e0\u9650\u5faa\u73af\u548c\u6027\u80fd\u95ee\u9898\u3002\u7f16\u7a0b\u4e2d\u7684\u5faa\u73af\u7ed3\u6784\u662f\u91cd\u590d\u6267\u884c\u7279\u5b9a\u4ee3\u7801\u5757\u7684\u57fa\u7840\u5de5\u5177\uff0c\u5b83\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u9ad8\u6548\u5904\u7406\u91cd\u590d\u6027\u4efb\u52a1\uff0c\u51cf\u5c11\u4ee3\u7801\u5197\u4f59\u3002\u5faa\u73af\u662f\u904d\u5386\u5e8f\u5217\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\u3001\u5b57\u7b26\u4e32\uff09\u6216\u5176\u4ed6\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u7406\u60f3\u9009\u62e9\u3002\u5faa\u73af\u4f1a\u81ea\u52a8\u5904\u7406\u8fed\u4ee3\u8fc7\u7a0b\uff0c\u65e0\u9700\u624b\u52a8\u7ef4\u62a4\u8ba1\u6570\u5668\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[81,190],"topic":[],"class_list":["post-57168","post","type-post","status-publish","format-standard","hentry","category-server","tag-python","tag-190"],"yoast_head":"\n