Python Certification Exam Preparation
Problems encountered during test preparation.
| Python 3.13.4 (tags/v3.13.4:8a526ec, Jun 3 2025, 17:46:04) [MSC v.1943 64 bit (AMD64)] on win32 | |
| Enter "help" below or click "Help" above for more information. | |
| >>> | my_bool = False + 5 - True + 35//4 |
| >>> | my_bool |
| 12 | |
| >>> | print('Here is what I have: ', (7/2) + (False or True) + (9%3)) |
| Here is what Ihave: 4.5 | |
| >>> | 7/2 |
| 3.5 | |
| >>> | (7/2) + (False or True) |
| 4.5 | |
| >>> | 9%3 |
| 0 | |
| >>> | x = 3 |
| >>> | text = 'I have ' + x + '\ncars in my garage.' |
| Traceback (most recent call last): | |
|
File "<pyshell#1>", line 1, in |
|
| text = 'I have ' + x + '\ncars in my garage.' | |
| TypeError: can only concatenate str (not "int") to str | |
| >>> | y = 4 + 2i |
| SyntaxError: invalid decimal literal | |
| >>> | y |
| >>> | y = 4 + 2j |
| (4+2j) | |
| >>> | type(y) |
| <class 'complex'> | |
| >>> | True and False |
| False | |
| >>> | test = "TEST" |
| >>> | result = test[0] + test[-1] |
| >>> | result |
| 'TT' | |
| >>> | content = 'Learning Python is interesting especially when using strings' |
| >>> | x = content.find('in', 6) |
| >>> | x |
| 19 | |
| >>> | result = content[x:30].capitalize() |
| >>> | result |
| 'Interesting' | |
| >>> | print(str.rfind.__doc__) |
| Return the highest index in S where substring sub is found, such that sub is contained within S[start:end]. | |
| Optional arguments start and end are interpreted as in slice notation. | |
| >>> | print(str.find.__doc__) |
| Return the lowest index in S where substring sub is found, such that sub is contained within S[start:end]. | |
| Optional arguments start and end are interpreted as in slice notation. | |
| >>> | "This" is "This".upper() |
| False | |
| >>> | math.isqrt(17) |
| 4 | |
| >>> | math.sqrt(16) |
| 4.0 | |
| >>> | math.isnan(float('nan')) |
| True | |
| >>> | amount = 1250 |
| >>> | print("{:10.2f}".format(amount)) |
| ___250.00 |