while循環

#第50次不打印，第60-80次打印對應值的平方

 1 count = 0
 2 
 3 while count <= 100:
 4     if count == 50:
 5         pass
 6     elif count >= 60 and count <=80:
 7         print(count*count)
 8     else:
 9         print("loop ",count)
10 
11     count += 1
12 
13 print("------loop is ended-------")

Dead Loop(死循環)

count = 0

while True:#True本身就是真


    print("forever-------",count)
    
    count += 1

break 用於完全結束一個循環，跳出循環體執行魂環後面的語句 continue 只是終止本次循環，接著執行後面的循環

count = 0

while count <= 100:
    print("loop ",count)
    if count == 5:
        break

    count += 1

print("------out of loop-------")

count = 0

 
while count <= 100:
    print("loop ",count)
    if count == 5:
        continue

    count += 1

print("------out of loop-------")

0-100循環，跳過6到94

count = 0

while count <= 100:
    count += 1
    if count > 5 and count < 95:
         continue

    print("loop ",count)


print("------out of loop-------
 
")

第五天Python學習記錄